Remove app/ references

Author: javiereguiluz

components/config/resources.rst

@@ -19,7 +19,7 @@ files. This can be done with the :class:`Symfony\\Component\\Config\\FileLocator
 
     use Symfony\Component\Config\FileLocator;
 
-    $configDirectories = array(__DIR__.'/app/config');
+    $configDirectories = array(__DIR__.'/config');
 
     $locator = new FileLocator($configDirectories);
     $yamlUserFiles = $locator->locate('users.yaml', null, false);

components/dependency_injection/workflow.rst

@@ -34,7 +34,7 @@ for more details.
 Application-level Configuration
 -------------------------------
 
-Application level config is loaded from the ``app/config`` directory. Multiple
+Application level config is loaded from the ``config`` directory. Multiple
 files are loaded which are then merged when the extensions are processed.
 This allows for different configuration for different environments e.g.
 dev, prod.

components/phpunit_bridge.rst

@@ -134,7 +134,7 @@ message, enclosed with ``/``. For example, with:
         <!-- ... -->
 
         <php>
-            <server name="KERNEL_DIR" value="app/" />
+            <server name="KERNEL_CLASS" value="App\Kernel" />
             <env name="SYMFONY_DEPRECATIONS_HELPER" value="/foobar/" />
         </php>
     </phpunit>