Refactoring and cleaning of code.

common/static/js/capa/drag_and_drop/base_image.js

@@ -26,8 +26,10 @@ define(['logme'], function (logme) {
 
         state.baseImageEl.attr('src', state.config.baseImage);
         state.baseImageEl.load(function () {
-            baseImageElContainer.css('width', this.width);
-            baseImageElContainer.css('height', this.height);
+            baseImageElContainer.css({
+                'width': this.width,
+                'height': this.height
+            });
 
             state.baseImageEl.appendTo(baseImageElContainer);
             baseImageElContainer.appendTo(state.containerEl);

common/static/js/capa/drag_and_drop/update_input.js

@@ -142,7 +142,7 @@ define(['logme'], function (logme) {
                         continue;
                     }
 
-                    draggable.moveDraggableToTarget(target);
+                    draggable.moveDraggableTo('target', target);
                 }
 
                 c1 += 1;
@@ -170,7 +170,7 @@ define(['logme'], function (logme) {
                         continue;
                     }
 
-                    draggable.moveDraggableToXY({
+                    draggable.moveDraggableTo('XY', {
                         'x': answer.draggables[c1][draggableId][0],
                         'y': answer.draggables[c1][draggableId][1]
                     });