Created AbstractCrudController, and refactored existing controllers

templates/admin/default/coupon-list.html

@@ -10,7 +10,7 @@
             {include file="includes/coupon_breadcrumb.html"}
         </ul>
     </nav>
-    
+
     <div class="page-header">
         <h1>Coupons : <small>List of coupons</small></h1>
     </div>
@@ -28,7 +28,7 @@
 	    				<th>Expiration date</th>
 	    				<th>Usage left</th>
 	    				<th class="sorter-false filter-false">Actions</th>
-	    			</tr>	    			
+	    			</tr>
 	    		</thead>
 	    		<tbody>
 	    			<tr>
@@ -146,8 +146,8 @@
 
 
 {block name="javascript-initialization"}
-	
-    {javascripts file='assets/bootstrap-editable/js/bootstrap-editable.js'}
+
+    {javascripts file='assets/js/bootstrap-editable/bootstrap-editable.js'}
         <script src="{$asset_url}"></script>
     {/javascripts}