Removes unnecessary trailing commas which stops google's closure compiler.

src/imageLoader.js

@@ -47,7 +47,7 @@ function ImageJob ( options ) {
     
     $.extend( true, this, {
         timeout:        $.DEFAULT_SETTINGS.timeout,
-        jobId:          null,
+        jobId:          null
     }, options );
     
     /**

src/mousetracker.js

@@ -1773,7 +1773,7 @@
         for ( i = 0; i < touchCount; i++ ) {
             gPoints.push( {
                 id: event.changedTouches[ i ].identifier,
-                type: 'touch',
+                type: 'touch'
             } );
         }
 
@@ -1925,7 +1925,7 @@
 
         gPoint = {
             id: event.pointerId,
-            type: getPointerType( event ),
+            type: getPointerType( event )
         };
 
         updatePointersCancel( tracker, event, [ gPoint ] );