add typeahead support for owner email when adding new server

closes #144
pic: http://s3.pterodactyl.io/UpPSJ.png

app/Http/Controllers/Admin/UserController.php

@@ -130,4 +130,12 @@ class UserController extends Controller
         return redirect()->route('admin.users.view', $user);
     }
 
+    public function getJson(Request $request)
+    {
+        foreach(User::select('email')->get() as $user) {
+            $resp[] = $user->email;
+        }
+        return $resp;
+    }
+
 }

app/Http/Routes/AdminRoutes.php

@@ -73,6 +73,11 @@ class AdminRoutes {
                 'uses' => 'Admin\UserController@getIndex'
             ]);
 
+            $router->get('/accounts.json', [
+                'as' => 'admin.users.json',
+                'uses' => 'Admin\UserController@getJson'
+            ]);
+
             // View Specific Account
             $router->get('/view/{id}', [
                 'as' => 'admin.users.view',