Closes #3754 and #3755 - added limit for letsencrypt and directive snippets...

Marius Burkard

2016-02-12 67b0cb394d6b89b19087c285765285806e7da95c

1
ALTER TABLE `shell_user` CHANGE `ssh_rsa` `ssh_rsa` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;