Update 3.3.2

//Changes 3.3.2://
* Fix Vault support
* Fix Group permission problems
* Rewrite /register and /login command, would be much faster
* Fix useWelcomeMessage
* Add a way to broadcast welcome message
* Remove Join/Quit message only if enableProtection is true
* Fix /login and /register requested at the same time
* Some other fixes
Merge remote-tracking branch 'upstream/master'