Minor fixes

Author: vidartf

js/src/_base/Preview.js

@@ -113,9 +113,7 @@ var PreviewView = RenderableView.extend({
 
     clearScene: function() {
         // this.controls.reset();
-        this.scene.children.forEach(function(child) {
-            this.scene.remove(child);
-        }, this);
+        this.scene.remove.apply(this.scene, this.scene.children.slice());
     },
 
     setupControls: function() {

js/src/textures/ImageTexture.js

@@ -20,7 +20,7 @@ var ImageTextureModel = ImageTextureBase.ImageTextureModel.extend({
                 },
                 function(xhr) {
                     console.log('Error loading texture: ' + imageUri);
-                    return reject(texture);
+                    return reject(xhr);
                 }
             );
         });