Fix an old crash that happen randomly especially at startup

Using lock_guard to let the compiler decide when its time to unlock seem to fix the issue.

Fix Mountaineer Pebblebitty gossip options

* Fix Mountaineer Pebblebitty gossip options for the key to Searing Gorge quest. Use correct texts instead (confirmed by several sources).

This should be moved to DB at some point as it seems to be 100% doable there.

Continued MaNGOS 0.18 Release 🎉

Continued MaNGOS Release 0.17 (for 3.3.5a)

MaNGOS 0.16 release (3.3.3a)

MaNGOS 0.16 dev2 -- moving from client 3.3.2

MaNGOS 0.16 dev1 -- moving from client 3.3.0a

MaNGOS 0.15 -- moving from client 3.2.2a

MaNGOS 0.14 -- moving from client 3.1.3

MaNGOS 0.13 -- moving from client 3.0.9