Add Contact Object

- Add Profile Object
- Add User Model
- Add use statements

include/api.php

@@ -12,6 +12,7 @@ use Friendica\Core\Config;
 use Friendica\Core\NotificationsManager;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Object\Contact;
 use Friendica\Protocol\Diaspora;
 use Friendica\Util\XML;