Moved JSHint config into the standard .jshintrc file, so that it can be shared with the command line version as well as version that run within IDEs

Gruntfile.js

@@ -17,34 +17,7 @@ module.exports = function (grunt) {
     jshint: {
       files: ['Gruntfile.js', 'js/*.js', 'panels/*/*.js' ],
       options: {
-        bitwise: true,
-        maxlen: 140,
-        curly: true,
-        eqeqeq: true,
-        immed: true,
-        indent: 2,
-        latedef: true,
-        newcap: true,
-        noarg: true,
-        sub: true,
-        undef: true,
-        boss: true,
-        eqnull: true,
-        globalstrict: true,
-        devel: true,
-        node: true,
-        globals: {
-          '$LAB': false,
-          '_': false,
-          '$': false,
-          'kbn' : false,
-          window: false,
-          document: false,
-          exports: true,
-          module: false,
-          config: false,
-          moment: false
-        }
+        jshintrc: '.jshintrc'
       }
     },
     less: {
@@ -70,4 +43,4 @@ module.exports = function (grunt) {
   // Default task.
   grunt.registerTask('default', ['jshint','less']);
 
-};
+};