Fix wrong class name case

- Use leading backslash for non-namespace class names in App

mod/api.php

@@ -108,8 +108,6 @@ function api_content(App $a) {
 			'$no'	=> t('No'),
 		));
 
-		//echo "<pre>"; var_dump($app); killme();
-
 		return $o;
 	}
 

mod/contacts.php

@@ -830,7 +830,7 @@ function contacts_content(App $a) {
  *
  * Available Pages are 'Status', 'Profile', 'Contacts' and 'Common Friends'
  *
- * @param app $a
+ * @param App $a
  * @param int $contact_id The ID of the contact
  * @param int $active_tab 1 if tab should be marked as active
  *

mod/network.php

@@ -795,7 +795,7 @@ function network_content(App $a, $update = 0) {
 /**
  * @brief Get the network tabs menu
  *
- * @param app $a The global App
+ * @param App $a The global App
  * @return string Html of the networktab
  */
 function network_tabs(App $a) {