Merge branch 'master' of https://github.com/friendica/friendica

Conflicts:
	include/config.php
	update.php

include/dba.php

@@ -207,8 +207,10 @@ function q($sql) {
 	unset($args[0]);
 
 	if($db && $db->connected) {
-		$ret = $db->q(vsprintf($sql,$args));
-		return $ret;
+		$stmt = vsprintf($sql,$args);
+		if($stmt === false)
+			logger('dba: vsprintf error: ' . print_r(debug_backtrace(),true));
+		return $db->q($stmt);
 	}
 
 	/**