Support applications in aphrontpath.php

Test Plan:
  $ ./aphrontpath.php /diffusion/

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3233

src/aphront/configuration/AphrontApplicationConfiguration.php

@@ -149,7 +149,7 @@ abstract class AphrontApplicationConfiguration {
    *                                      parameters.
    * @task routing
    */
-  private function buildControllerForPath($path) {
+  final public function buildControllerForPath($path) {
     $maps = array();
     $maps[] = array(null, $this->getURIMap());