Corrected miss-matched schema versions

Schema version should be 7 (not 6) for current commit level.  Not sure exactly why it wasn't updated.

servatrice/servatrice.sql

@@ -20,7 +20,7 @@ CREATE TABLE IF NOT EXISTS `cockatrice_schema_version` (
   PRIMARY KEY  (`version`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
-INSERT INTO cockatrice_schema_version VALUES(6);
+INSERT INTO cockatrice_schema_version VALUES(7);
 
 CREATE TABLE IF NOT EXISTS `cockatrice_decklist_files` (
   `id` int(7) unsigned zerofill NOT NULL auto_increment,