Modularize config modules + add edges, phid modules

Summary: Fixes T6859. Adds a readout in `/config/` of installed edge and PHID types. See also D13626.

Test Plan: {F643222}

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T6859

Differential Revision: https://secure.phabricator.com/D13662

src/applications/config/controller/PhabricatorConfigModuleController.php

@@ -0,0 +1,37 @@
+<?php
+
+final class PhabricatorConfigModuleController
+  extends PhabricatorConfigController {
+
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+    $key = $request->getURIData('module');
+
+    $all_modules = PhabricatorConfigModule::getAllModules();
+    if (empty($all_modules[$key])) {
+      return new Aphront404Response();
+    }
+
+    $module = $all_modules[$key];
+    $content = $module->renderModuleStatus($request);
+    $name = $module->getModuleName();
+
+    $crumbs = $this->buildApplicationCrumbs();
+    $crumbs->addTextCrumb($name);
+
+    $nav = $this->buildSideNavView();
+    $nav->selectFilter('module/'.$key.'/');
+    $nav->appendChild(
+      array(
+        $crumbs,
+        $content,
+      ));
+
+    return $this->buildApplicationPage(
+      $nav,
+      array(
+        'title' => $name,
+      ));
+  }
+
+}