Fixed inconsistent image names.

The images have been renamed to be more consistent and moved into
the "images" directory to mimic the original jQuery UI structure.

Ticket #1613

install/html/browserconfig.html

@@ -24,7 +24,7 @@
     <div class="container_1">
 
         <div class="header-logo">
-            <img src="../ui/ipalogo.png" /><img src="../ui/ipabanner.png" />
+            <img src="../ui/images/ipa-logo.png" /><img src="../ui/images/ipa-banner.png" />
         </div>
 
         <div class="textblockkrb" style="display: none;">

install/html/ssbrowser.html

@@ -14,11 +14,11 @@
 
   <div class="container_1 ssbrowser">
     <div class="header-logo">
-            <img src="../ui/ipalogo.png" /><img src="../ui/ipabanner.png" />
+            <img src="../ui/images/ipa-logo.png" /><img src="../ui/images/ipa-banner.png" />
         </div>
        <div class="textblockkrb">
         <h1>Browser Kerberos Setup</h1>
-        <img alt="Internet Explorer" src="../ui/ie-icon.png"><h2>Internet Explorer Configuration</h2>
+        <img alt="Internet Explorer" src="../ui/images/ie-icon.png"><h2>Internet Explorer Configuration</h2>
         <p>Once you are able to log into the workstation with your kerberos key you are now able to use that ticket in Internet Explorer. </p>
 
           <strong>Login to the Windows machine using an account of your Kerberos realm (administrative domain)</strong><br>
@@ -42,7 +42,7 @@
 
             <br>
 
-        <img alt="Firefox" src="../ui/firefox-icon.png"><h2>Firefox Configuration</h2>
+        <img alt="Firefox" src="../ui/images/firefox-icon.png"><h2>Firefox Configuration</h2>
 
         <p>You can configure Firefox to use Kerberos for Single Sign-on. The following instructions will guide you in configuring your web browser <br>
          to send your Kerberos credentials to the appropriate Key Distribution Center which enables Single Sign-on.  </p>

install/html/unauthorized.html

@@ -26,7 +26,7 @@
     <div class="container_1">
 
         <div class="header-logo">
-            <img src="../ui/ipalogo.png" /><img src="../ui/ipabanner.png" />
+            <img src="../ui/images/ipa-logo.png" /><img src="../ui/images/ipa-banner.png" />
         </div>
 
         <div class="textblockkrb">