diff --git a/wp-admin/js/customize-controls.js b/wp-admin/js/customize-controls.js
index 8e563612f8..3a05ad437f 100644
--- a/wp-admin/js/customize-controls.js
+++ b/wp-admin/js/customize-controls.js
@@ -8,8 +8,6 @@
 	 */
 	api.Setting = api.Value.extend({
 		initialize: function( id, value, options ) {
-			var element;
-
 			api.Value.prototype.initialize.call( this, value, options );
 
 			this.id = id;
@@ -85,18 +83,17 @@
 		ready: function() {},
 
 		dropdownInit: function() {
-			var control  = this,
-				statuses = this.container.find('.dropdown-status'),
-				params   = this.params,
-				update   = function( to ) {
-					if ( typeof	to === 'string' && params.statuses && params.statuses[ to ] )
+			var control      = this,
+				statuses     = this.container.find('.dropdown-status'),
+				params       = this.params,
+				toggleFreeze = false,
+				update       = function( to ) {
+					if ( typeof to === 'string' && params.statuses && params.statuses[ to ] )
 						statuses.html( params.statuses[ to ] ).show();
 					else
 						statuses.hide();
 				};
 
-			var toggleFreeze = false;
-
 			// Support the .dropdown class to open/close complex elements
 			this.container.on( 'click keydown', '.dropdown', function( event ) {
 				if ( event.type === 'keydown' &&  13 !== event.which ) // enter
@@ -128,12 +125,12 @@
 				picker = this.container.find('.color-picker-hex');
 
 			picker.val( control.setting() ).wpColorPicker({
-				change: function( event, options ) {
+				change: function() {
 					control.setting.set( picker.wpColorPicker('color') );
- 				},
- 				clear: function() {
- 					control.setting.set( false );
- 				}
+				},
+				clear: function() {
+					control.setting.set( false );
+				}
 			});
 		}
 	});
@@ -197,7 +194,7 @@
 				panels;
 
 			this.uploader = {
-				init: function( up ) {
+				init: function() {
 					var fallback, button;
 
 					if ( this.supports.dragdrop )
@@ -319,8 +316,7 @@
 		sensitivity: 2000,
 
 		initialize: function( params, options ) {
-			var deferred = $.Deferred(),
-				self     = this;
+			var deferred = $.Deferred();
 
 			// This is the promise object.
 			deferred.promise( this );
@@ -488,8 +484,7 @@
 		 */
 		initialize: function( params, options ) {
 			var self = this,
-				rscheme = /^https?/,
-				url;
+				rscheme = /^https?/;
 
 			$.extend( this, options || {} );
 
@@ -706,9 +701,9 @@
 		if ( ! $.support.postMessage || ( ! $.support.cors && api.settings.isCrossDomain ) )
 			return window.location = api.settings.url.fallback;
 
-		var body = $( document.body ),
-			overlay = body.children('.wp-full-overlay'),
-			query, previewer, parent;
+		var previewer, parent, topFocus,
+			body = $( document.body ),
+			overlay = body.children('.wp-full-overlay');
 
 		// Prevent the form from saving when enter is pressed.
 		$('#customize-controls').on( 'keydown', function( e ) {
@@ -733,9 +728,9 @@
 			query: function() {
 				return {
 					wp_customize: 'on',
-					theme:        api.settings.theme.stylesheet,
-					customized:   JSON.stringify( api.get() ),
-					nonce:        this.nonce.preview
+					theme:      api.settings.theme.stylesheet,
+					customized: JSON.stringify( api.get() ),
+					nonce:      this.nonce.preview
 				};
 			},
 
@@ -778,9 +773,9 @@
 		});
 
 		// Refresh the nonces if the preview sends updated nonces over.
- 		previewer.bind( 'nonce', function( nonce ) {
- 			$.extend( this.nonce, nonce );
- 		});
+		previewer.bind( 'nonce', function( nonce ) {
+			$.extend( this.nonce, nonce );
+		});
 
 		$.each( api.settings.settings, function( id, data ) {
 			api.create( id, id, data.value, {
@@ -920,15 +915,15 @@
 		$.each({
 			'background_image': {
 				controls: [ 'background_repeat', 'background_position_x', 'background_attachment' ],
-				callback: function( to ) { return !! to }
+				callback: function( to ) { return !! to; }
 			},
 			'show_on_front': {
 				controls: [ 'page_on_front', 'page_for_posts' ],
-				callback: function( to ) { return 'page' === to }
+				callback: function( to ) { return 'page' === to; }
 			},
 			'header_textcolor': {
 				controls: [ 'header_textcolor' ],
-				callback: function( to ) { return 'blank' !== to }
+				callback: function( to ) { return 'blank' !== to; }
 			}
 		}, function( settingId, o ) {
 			api( settingId, function( setting ) {
@@ -973,7 +968,7 @@
 					control.settings.data.set( false );
 			});
 
-			control.library.on( 'click', 'a', function( event ) {
+			control.library.on( 'click', 'a', function() {
 				control.settings.data.set( $(this).data('customizeHeaderImageData') );
 			});
 
@@ -998,7 +993,7 @@
 		api.trigger( 'ready' );
 
 		// Make sure left column gets focus
-		var topFocus = $('.back');
+		topFocus = $('.back');
 		topFocus.focus();
 		setTimeout(function () {
 			topFocus.focus();
diff --git a/wp-admin/js/customize-controls.min.js b/wp-admin/js/customize-controls.min.js
index 3a7de3d902..e91162669a 100644
--- a/wp-admin/js/customize-controls.min.js
+++ b/wp-admin/js/customize-controls.min.js
@@ -1 +1 @@
-!function(a,b){var c=wp.customize;c.Setting=c.Value.extend({initialize:function(a,b,d){c.Value.prototype.initialize.call(this,b,d),this.id=a,this.transport=this.transport||"refresh",this.bind(this.preview)},preview:function(){switch(this.transport){case"refresh":return this.previewer.refresh();case"postMessage":return this.previewer.send("setting",[this.id,this()])}}}),c.Control=c.Class.extend({initialize:function(a,d){var e,f,g,h=this;this.params={},b.extend(this,d||{}),this.id=a,this.selector="#customize-control-"+a.replace(/\]/g,"").replace(/\[/g,"-"),this.container=b(this.selector),g=b.map(this.params.settings,function(a){return a}),c.apply(c,g.concat(function(){var a;h.settings={};for(a in h.params.settings)h.settings[a]=c(h.params.settings[a]);h.setting=h.settings["default"]||null,h.ready()})),h.elements=[],e=this.container.find("[data-customize-setting-link]"),f={},e.each(function(){var a,d=b(this);if(d.is(":radio")){if(a=d.prop("name"),f[a])return;f[a]=!0,d=e.filter('[name="'+a+'"]')}c(d.data("customizeSettingLink"),function(a){var b=new c.Element(d);h.elements.push(b),b.sync(a),b.set(a())})})},ready:function(){},dropdownInit:function(){var a=this,b=this.container.find(".dropdown-status"),c=this.params,d=function(a){"string"==typeof a&&c.statuses&&c.statuses[a]?b.html(c.statuses[a]).show():b.hide()},e=!1;this.container.on("click keydown",".dropdown",function(b){("keydown"!==b.type||13===b.which)&&(b.preventDefault(),e||a.container.toggleClass("open"),a.container.hasClass("open")&&a.container.parent().parent().find("li.library-selected").focus(),e=!0,setTimeout(function(){e=!1},400))}),this.setting.bind(d),d(this.setting())}}),c.ColorControl=c.Control.extend({ready:function(){var a=this,b=this.container.find(".color-picker-hex");b.val(a.setting()).wpColorPicker({change:function(){a.setting.set(b.wpColorPicker("color"))},clear:function(){a.setting.set(!1)}})}}),c.UploadControl=c.Control.extend({ready:function(){var a=this;this.params.removed=this.params.removed||"",this.success=b.proxy(this.success,this),this.uploader=b.extend({container:this.container,browser:this.container.find(".upload"),dropzone:this.container.find(".upload-dropzone"),success:this.success,plupload:{},params:{}},this.uploader||{}),a.params.extensions&&(a.uploader.plupload.filters=[{title:c.l10n.allowedFiles,extensions:a.params.extensions}]),a.params.context&&(a.uploader.params["post_data[context]"]=this.params.context),c.settings.theme.stylesheet&&(a.uploader.params["post_data[theme]"]=c.settings.theme.stylesheet),this.uploader=new wp.Uploader(this.uploader),this.remover=this.container.find(".remove"),this.remover.on("click keydown",function(b){("keydown"!==b.type||13===b.which)&&(a.setting.set(a.params.removed),b.preventDefault())}),this.removerVisibility=b.proxy(this.removerVisibility,this),this.setting.bind(this.removerVisibility),this.removerVisibility(this.setting.get())},success:function(a){this.setting.set(a.get("url"))},removerVisibility:function(a){this.remover.toggle(a!=this.params.removed)}}),c.ImageControl=c.UploadControl.extend({ready:function(){var a,d=this;this.uploader={init:function(){var a,b;this.supports.dragdrop||(a=d.container.find(".upload-fallback"),b=a.children().detach(),this.browser.detach().empty().append(b),a.append(this.browser).show())}},c.UploadControl.prototype.ready.call(this),this.thumbnail=this.container.find(".preview-thumbnail img"),this.thumbnailSrc=b.proxy(this.thumbnailSrc,this),this.setting.bind(this.thumbnailSrc),this.library=this.container.find(".library"),this.tabs={},a=this.library.find(".library-content"),this.library.children("ul").children("li").each(function(){var c=b(this),e=c.data("customizeTab"),f=a.filter('[data-customize-tab="'+e+'"]');d.tabs[e]={both:c.add(f),link:c,panel:f}}),this.library.children("ul").on("click keydown","li",function(a){if("keydown"!==a.type||13===a.which){var c=b(this).data("customizeTab"),e=d.tabs[c];a.preventDefault(),e.link.hasClass("library-selected")||(d.selected.both.removeClass("library-selected"),d.selected=e,d.selected.both.addClass("library-selected"))}}),this.library.on("click keydown","a",function(a){if("keydown"!==a.type||13===a.which){var c=b(this).data("customizeImageValue");c&&(d.setting.set(c),a.preventDefault())}}),this.tabs.uploaded&&(this.tabs.uploaded.target=this.library.find(".uploaded-target"),this.tabs.uploaded.panel.find(".thumbnail").length||this.tabs.uploaded.both.addClass("hidden")),a.each(function(){var a=d.tabs[b(this).data("customizeTab")];return a.link.hasClass("hidden")?void 0:(d.selected=a,a.both.addClass("library-selected"),!1)}),this.dropdownInit()},success:function(a){c.UploadControl.prototype.success.call(this,a),this.tabs.uploaded&&this.tabs.uploaded.target.length&&(this.tabs.uploaded.both.removeClass("hidden"),a.element=b('<a href="#" class="thumbnail"></a>').data("customizeImageValue",a.get("url")).append('<img src="'+a.get("url")+'" />').appendTo(this.tabs.uploaded.target))},thumbnailSrc:function(a){/^(https?:)?\/\//.test(a)?this.thumbnail.prop("src",a).show():this.thumbnail.hide()}}),c.defaultConstructor=c.Setting,c.control=new c.Values({defaultConstructor:c.Control}),c.PreviewFrame=c.Messenger.extend({sensitivity:2e3,initialize:function(a,d){var e=b.Deferred();e.promise(this),this.container=a.container,this.signature=a.signature,b.extend(a,{channel:c.PreviewFrame.uuid()}),c.Messenger.prototype.initialize.call(this,a,d),this.add("previewUrl",a.previewUrl),this.query=b.extend(a.query||{},{customize_messenger_channel:this.channel()}),this.run(e)},run:function(a){var c=this,d=!1,e=!1;this._ready&&this.unbind("ready",this._ready),this._ready=function(){e=!0,d&&a.resolveWith(c)},this.bind("ready",this._ready),this.request=b.ajax(this.previewUrl(),{type:"POST",data:this.query,xhrFields:{withCredentials:!0}}),this.request.fail(function(){a.rejectWith(c,["request failure"])}),this.request.done(function(f){var g,h=c.request.getResponseHeader("Location"),i=c.signature;return h&&h!=c.previewUrl()?(a.rejectWith(c,["redirect",h]),void 0):"0"===f?(c.login(a),void 0):"-1"===f?(a.rejectWith(c,["cheatin"]),void 0):(g=f.lastIndexOf(i),-1===g||g<f.lastIndexOf("</html>")?(a.rejectWith(c,["unsigned"]),void 0):(f=f.slice(0,g)+f.slice(g+i.length),c.iframe=b("<iframe />").appendTo(c.container),c.iframe.one("load",function(){d=!0,e?a.resolveWith(c):setTimeout(function(){a.rejectWith(c,["ready timeout"])},c.sensitivity)}),c.targetWindow(c.iframe[0].contentWindow),c.targetWindow().document.open(),c.targetWindow().document.write(f),c.targetWindow().document.close(),void 0))})},login:function(a){var d,e=this;return d=function(){a.rejectWith(e,["logged out"])},this.triedLogin?d():(b.get(c.settings.url.ajax,{action:"logged-in"}).fail(d).done(function(c){var f;"1"!==c&&d(),f=b('<iframe src="'+e.previewUrl()+'" />').hide(),f.appendTo(e.container),f.load(function(){e.triedLogin=!0,f.remove(),e.run(a)})}),void 0)},destroy:function(){c.Messenger.prototype.destroy.call(this),this.request.abort(),this.iframe&&this.iframe.remove(),delete this.request,delete this.iframe,delete this.targetWindow}}),function(){var a=0;c.PreviewFrame.uuid=function(){return"preview-"+a++}}(),c.Previewer=c.Messenger.extend({refreshBuffer:250,initialize:function(a,d){var e=this,f=/^https?/;b.extend(this,d||{}),this.refresh=function(a){var b,c=a.refresh,d=function(){b=null,c.call(a)};return function(){if("number"!=typeof b){if(!a.loading)return d();a.abort()}clearTimeout(b),b=setTimeout(d,a.refreshBuffer)}}(this),this.container=c.ensure(a.container),this.allowedUrls=a.allowedUrls,this.signature=a.signature,a.url=window.location.href,c.Messenger.prototype.initialize.call(this,a),this.add("scheme",this.origin()).link(this.origin).setter(function(a){var b=a.match(f);return b?b[0]:""}),this.add("previewUrl",a.previewUrl).setter(function(a){var c;return/\/wp-admin(\/|$)/.test(a.replace(/[#?].*$/,""))?null:(b.each([a.replace(f,e.scheme()),a],function(a,d){return b.each(e.allowedUrls,function(a,b){var e;return b=b.replace(/\/+$/,""),e=d.replace(b,""),0===d.indexOf(b)&&/^([/#?]|$)/.test(e)?(c=d,!1):void 0}),c?!1:void 0}),c?c:null)}),this.previewUrl.bind(this.refresh),this.scroll=0,this.bind("scroll",function(a){this.scroll=a}),this.bind("url",this.previewUrl)},query:function(){},abort:function(){this.loading&&(this.loading.destroy(),delete this.loading)},refresh:function(){var a=this;this.abort(),this.loading=new c.PreviewFrame({url:this.url(),previewUrl:this.previewUrl(),query:this.query()||{},container:this.container,signature:this.signature}),this.loading.done(function(){this.bind("synced",function(){a.preview&&a.preview.destroy(),a.preview=this,delete a.loading,a.targetWindow(this.targetWindow()),a.channel(this.channel()),a.send("active")}),this.send("sync",{scroll:a.scroll,settings:c.get()})}),this.loading.fail(function(b,c){"redirect"===b&&c&&a.previewUrl(c),"logged out"===b&&(a.preview&&(a.preview.destroy(),delete a.preview),a.login().done(a.refresh)),"cheatin"===b&&a.cheatin()})},login:function(){var a,d,e,f=this;return this._login?this._login:(a=b.Deferred(),this._login=a.promise(),d=new c.Messenger({channel:"login",url:c.settings.url.login}),e=b('<iframe src="'+c.settings.url.login+'" />').appendTo(this.container),d.targetWindow(e[0].contentWindow),d.bind("login",function(){e.remove(),d.destroy(),delete f._login,a.resolve()}),this._login)},cheatin:function(){b(document.body).empty().addClass("cheatin").append("<p>"+c.l10n.cheatin+"</p>")}}),c.controlConstructor={color:c.ColorControl,upload:c.UploadControl,image:c.ImageControl},b(function(){if(c.settings=window._wpCustomizeSettings,c.l10n=window._wpCustomizeControlsL10n,c.settings){if(!b.support.postMessage||!b.support.cors&&c.settings.isCrossDomain)return window.location=c.settings.url.fallback;var a,d,e=b(document.body),f=e.children(".wp-full-overlay");b("#customize-controls").on("keydown",function(a){b(a.target).is("textarea")||13===a.which&&a.preventDefault()}),a=new c.Previewer({container:"#customize-preview",form:"#customize-controls",previewUrl:c.settings.url.preview,allowedUrls:c.settings.url.allowed,signature:"WP_CUSTOMIZER_SIGNATURE"},{nonce:c.settings.nonce,query:function(){return{wp_customize:"on",theme:c.settings.theme.stylesheet,customized:JSON.stringify(c.get()),nonce:this.nonce.preview}},save:function(){var a=this,d=b.extend(this.query(),{action:"customize_save",nonce:this.nonce.save}),f=b.post(c.settings.url.ajax,d);c.trigger("save",f),e.addClass("saving"),f.always(function(){e.removeClass("saving")}),f.done(function(b){return"0"===b?(a.preview.iframe.hide(),a.login().done(function(){a.save(),a.preview.iframe.show()}),void 0):"-1"===b?(a.cheatin(),void 0):(c.trigger("saved"),void 0)})}}),a.bind("nonce",function(a){b.extend(this.nonce,a)}),b.each(c.settings.settings,function(b,d){c.create(b,b,d.value,{transport:d.transport,previewer:a})}),b.each(c.settings.controls,function(b,d){var e,f=c.controlConstructor[d.type]||c.Control;e=c.control.add(b,new f(b,{params:d,previewer:a}))}),a.previewUrl()?a.refresh():a.previewUrl(c.settings.url.home),function(){var a=new c.Values,d=a.create("saved"),e=a.create("activated");a.bind("change",function(){var a=b("#save"),f=b(".back");e()?d()?(a.val(c.l10n.saved).prop("disabled",!0),f.text(c.l10n.close)):(a.val(c.l10n.save).prop("disabled",!1),f.text(c.l10n.cancel)):(a.val(c.l10n.activate).prop("disabled",!1),f.text(c.l10n.cancel))}),d(!0),e(c.settings.theme.active),c.bind("change",function(){a("saved").set(!1)}),c.bind("saved",function(){a("saved").set(!0),a("activated").set(!0)}),e.bind(function(a){a&&c.trigger("activated")}),c.state=a}(),b("#save").click(function(b){a.save(),b.preventDefault()}).keydown(function(b){9!==b.which&&(13===b.which&&a.save(),b.preventDefault())}),b(".back").keydown(function(a){9!==a.which&&(13===a.which&&this.click(),a.preventDefault())}),b(".upload-dropzone a.upload").keydown(function(a){13===a.which&&this.click()}),b(".collapse-sidebar").on("click keydown",function(a){("keydown"!==a.type||13===a.which)&&(f.toggleClass("collapsed").toggleClass("expanded"),a.preventDefault())}),d=new c.Messenger({url:c.settings.url.parent,channel:"loader"}),d.bind("back",function(){b(".back").on("click.back",function(a){a.preventDefault(),d.send("close")})}),c.bind("saved",function(){d.send("saved")}),c.bind("activated",function(){d.targetWindow()?d.send("activated",c.settings.url.activated):c.settings.url.activated&&(window.location=c.settings.url.activated)}),d.send("ready"),b.each({background_image:{controls:["background_repeat","background_position_x","background_attachment"],callback:function(a){return!!a}},show_on_front:{controls:["page_on_front","page_for_posts"],callback:function(a){return"page"===a}},header_textcolor:{controls:["header_textcolor"],callback:function(a){return"blank"!==a}}},function(a,d){c(a,function(a){b.each(d.controls,function(b,e){c.control(e,function(b){var c=function(a){b.container.toggle(d.callback(a))};c(a.get()),a.bind(c)})})})}),c.control("display_header_text",function(a){var b="";a.elements[0].unsync(c("header_textcolor")),a.element=new c.Element(a.container.find("input")),a.element.set("blank"!==a.setting()),a.element.bind(function(d){d||(b=c("header_textcolor").get()),a.setting.set(d?b:"blank")}),a.setting.bind(function(b){a.element.set("blank"!==b)})}),c.control("header_image",function(a){a.setting.bind(function(b){b===a.params.removed&&a.settings.data.set(!1)}),a.library.on("click","a",function(){a.settings.data.set(b(this).data("customizeHeaderImageData"))}),a.uploader.success=function(b){var d;c.ImageControl.prototype.success.call(a,b),d={attachment_id:b.get("id"),url:b.get("url"),thumbnail_url:b.get("url"),height:b.get("height"),width:b.get("width")},b.element.data("customizeHeaderImageData",d),a.settings.data.set(d)}}),c.trigger("ready");var g=b(".back");g.focus(),setTimeout(function(){g.focus()},200)}})}(wp,jQuery);
\ No newline at end of file
+!function(a,b){var c=wp.customize;c.Setting=c.Value.extend({initialize:function(a,b,d){c.Value.prototype.initialize.call(this,b,d),this.id=a,this.transport=this.transport||"refresh",this.bind(this.preview)},preview:function(){switch(this.transport){case"refresh":return this.previewer.refresh();case"postMessage":return this.previewer.send("setting",[this.id,this()])}}}),c.Control=c.Class.extend({initialize:function(a,d){var e,f,g,h=this;this.params={},b.extend(this,d||{}),this.id=a,this.selector="#customize-control-"+a.replace(/\]/g,"").replace(/\[/g,"-"),this.container=b(this.selector),g=b.map(this.params.settings,function(a){return a}),c.apply(c,g.concat(function(){var a;h.settings={};for(a in h.params.settings)h.settings[a]=c(h.params.settings[a]);h.setting=h.settings["default"]||null,h.ready()})),h.elements=[],e=this.container.find("[data-customize-setting-link]"),f={},e.each(function(){var a,d=b(this);if(d.is(":radio")){if(a=d.prop("name"),f[a])return;f[a]=!0,d=e.filter('[name="'+a+'"]')}c(d.data("customizeSettingLink"),function(a){var b=new c.Element(d);h.elements.push(b),b.sync(a),b.set(a())})})},ready:function(){},dropdownInit:function(){var a=this,b=this.container.find(".dropdown-status"),c=this.params,d=!1,e=function(a){"string"==typeof a&&c.statuses&&c.statuses[a]?b.html(c.statuses[a]).show():b.hide()};this.container.on("click keydown",".dropdown",function(b){("keydown"!==b.type||13===b.which)&&(b.preventDefault(),d||a.container.toggleClass("open"),a.container.hasClass("open")&&a.container.parent().parent().find("li.library-selected").focus(),d=!0,setTimeout(function(){d=!1},400))}),this.setting.bind(e),e(this.setting())}}),c.ColorControl=c.Control.extend({ready:function(){var a=this,b=this.container.find(".color-picker-hex");b.val(a.setting()).wpColorPicker({change:function(){a.setting.set(b.wpColorPicker("color"))},clear:function(){a.setting.set(!1)}})}}),c.UploadControl=c.Control.extend({ready:function(){var a=this;this.params.removed=this.params.removed||"",this.success=b.proxy(this.success,this),this.uploader=b.extend({container:this.container,browser:this.container.find(".upload"),dropzone:this.container.find(".upload-dropzone"),success:this.success,plupload:{},params:{}},this.uploader||{}),a.params.extensions&&(a.uploader.plupload.filters=[{title:c.l10n.allowedFiles,extensions:a.params.extensions}]),a.params.context&&(a.uploader.params["post_data[context]"]=this.params.context),c.settings.theme.stylesheet&&(a.uploader.params["post_data[theme]"]=c.settings.theme.stylesheet),this.uploader=new wp.Uploader(this.uploader),this.remover=this.container.find(".remove"),this.remover.on("click 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\ No newline at end of file