[0833] Removed addon for creature 844 in Elwynn Forest

* Fixed sheathed equipment for NPC 844 (Antonio Perrelli). Thanks
Tobschinski for pointing.
This closes #670
[0834] Fixed some quest relations in Darkshore

* Fixed quest / gameobjects relation in Darkshore for the washed ashore
quest line (Alliance only)
Thanks Galatean for reporting. Thanks trulynullified for fixing.
This closes #647
Fixed quest text for quest 4727 (Beached Sea Turtle) which was using
text from a similar quest instead