GNUSOCIAL is the new defined indicator

STATUSNET is still there for compatibility, so we don't have to change
all scripts at once yet...

index.php

@@ -41,8 +41,8 @@ $_startTime = microtime(true);
 $_perfCounters = array();
 
 define('INSTALLDIR', dirname(__FILE__));
-define('STATUSNET', true);
-define('LACONICA', true); // compatibility
+define('GNUSOCIAL', true);
+define('STATUSNET', true);  // compatibility
 
 $user = null;
 $action = null;