Drop the file extension from the combiner URL

This causes too many issues with Nginx and php server instances.

.htaccess

@@ -11,12 +11,6 @@
     ##
     # RewriteBase /
 
-    ##
-    ## Handle resource requests
-    ##
-    RewriteCond %{REQUEST_URI} combine/.*(.css|.js)
-    RewriteRule ^ index.php [L]
-
     ##
     ## Black list protected files
     ##

modules/cms/classes/CombineAssets.php

@@ -171,10 +171,10 @@ class CombineAssets
             $version = $combiner->getLastModified();
 
             $cacheInfo = [
-                'output' => $cacheId.'-'.$version.'.'.$extension,
+                'output'  => $cacheId.'-'.$version,
                 'version' => $version,
-                'files' => $assets,
-                'path' => $this->path
+                'files'   => $assets,
+                'path'    => $this->path
             ];
 
             $this->putCache($cacheId, $cacheInfo);

modules/cms/classes/Controller.php

@@ -632,6 +632,7 @@ class Controller extends BaseController
 
     /**
      * Combines JavaScript and StyleSheet assets.
+     * @param string $name Combined file code
      * @return string Combined content.
      */
     public function combine($name)