Core/Gossip: New AddMenuItem method for using DB texts

Many thanks to @Erimioa
DB/Triggers: Added some missing trigger teleportation in the Ebon Hold.
Clearify the guild limitation message on world server initation (3.3.5a withdrawal cap; 4.3.4 withdrawal and guild rep cap)
Merge pull request #9612 from Ascathor/master

Clearify the guild limitation message on world server initation
Merge branch 'master' of git://github.com/TrinityCore/TrinityCore into teste2