Space warning fix for travis-ci

Author: BurakAkyildiz

src/sortable.js

@@ -16,14 +16,14 @@ angular.module('ui.sortable', [])
       return {
         require:'?ngModel',
         scope: {
-			ngModel:'=',
-			uiSortable:'=',
-			receive:'&uiSortableReceive',//Expression bindings from html.
-			remove:'&uiSortableRemove',
-			start:'&uiSortableStart',
-			stop:'&uiSortableStop',
-			update:'&uiSortableUpdate',
-			received :'&uiSortableReceived'
+          ngModel:'=',
+          uiSortable:'=',
+          receive:'&uiSortableReceive',//Expression bindings from html.
+          remove:'&uiSortableRemove',
+          start:'&uiSortableStart',
+          stop:'&uiSortableStop',
+          update:'&uiSortableUpdate',
+          received :'&uiSortableReceived'
         },
         link: function(scope, element, attrs, ngModel) {
           var savedNodes;
@@ -133,41 +133,41 @@ angular.module('ui.sortable', [])
               }
 
 
-			  /*
-			  * If user defines ui-sortable-callback for @key and callback based option at the same time the html based ui-sortable-callback expression will be selected. (Overridden)
-			  *	If user defined ui-sortable-callback for @key but callback expression is empty then option based @key callback will be selected.
-			  * If user not defines a option for @key callback then html based ui-sortable-callback will be just selected.
-			  * If user just defines option for @key callback then it will be attached.
-			  * */
-			  var attrKey = 'uiSortable'+key.substring(0,1).toUpperCase()+key.substring(1);
-			  if(scope[key]!==undefined && scope[key] instanceof Function && attrs[attrKey] !== undefined && attrs[attrKey].length > 0)
-			  {
-				  
-				var expression = scope[key]; //Scope variable can be changed on fly.
-				var receivedFunct = scope.received;
-				var expressionCapsule = function(e, ui)
-				{
-					try
-					{
-						
-						expression.apply(0,arguments); //Sends all of arguments to callBack function.
-						
-						if(receivedFunct instanceof Function)
-							receivedFunct.apply(0,arguments);
-						
-					}
-					catch(err)
-					{
-						//Can be printed to console.
-					}
-				}
-				  
-			  	value = patchSortableOption(key, expressionCapsule);
-			  }
-			  else
-			  {
-			  	value = patchSortableOption(key, value);
-			  }
+              /*
+              * If user defines ui-sortable-callback for @key and callback based option at the same time the html based ui-sortable-callback expression will be selected. (Overridden)
+              *	If user defined ui-sortable-callback for @key but callback expression is empty then option based @key callback will be selected.
+              * If user not defines a option for @key callback then html based ui-sortable-callback will be just selected.
+              * If user just defines option for @key callback then it will be attached.
+              * */
+              var attrKey = 'uiSortable'+key.substring(0,1).toUpperCase()+key.substring(1);
+              if(scope[key]!==undefined && scope[key] instanceof Function && attrs[attrKey] !== undefined && attrs[attrKey].length > 0)
+              {
+                
+                var expression = scope[key]; //Scope variable can be changed on fly.
+                var receivedFunct = scope.received;
+                var expressionCapsule = function(e, ui)
+                {
+                  try
+                  {
+                  
+                    expression.apply(0,arguments); //Sends all of arguments to callBack function.
+                
+                    if(receivedFunct instanceof Function)
+                      receivedFunct.apply(0,arguments);
+                      
+                  }
+                  catch(err)
+                  {
+                    //Can be printed to console.
+                  }
+                }
+                
+                  value = patchSortableOption(key, expressionCapsule);
+			    }
+			    else
+			    {
+			      value = patchSortableOption(key, value);
+			    }
 
 
               if (!optsDiff) {