add minimum php-version 5.3.3 to installer and updater

Florian Schaal

2015-12-20 cc45abdf3685e95a8ad06c88054683458320d08d

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;