DB/Quest: Coward Delivery... Under 30 Minutes or it's Free

Script http://www.wowhead.com/quest=11711/coward-delivery-under-30-minutes-or-its-free
Core/IPC: Fixed a possible crash on shutdown
Core/NetworkIO: updated CMSG_RANDOMIZE_CHAR_NAME, SMSG_RANDOMIZE_CHAR_NAME, SMSG_CLIENTCACHE_VERSION, SMSG_MOTD
Core/Zmq: Added 50ms wait in the Run() loop to get rid of excessive cpu usage

(cherry picked from commit cbb6ca03399b6288ddda3d37bb42558af8103649)
(cherry picked from commit 34553afa955ea700832e9f3d72c81efb79ab9d09)
Scripts/Instance: The Stonecore

(cherry picked from commit 50bf6cad6a6bf1e4190a492c3a88316d6d831656)
Dep/CastLib: Update to https://github.com/ladislav-zezula/CascLib/commit/3e3f4f443cb7b2893cbbe60b0a6efafebf48bc40
Scripts/Ulduar: fix Achievs "Champion of Ulduar" and "Conqueror of Ulduar"

Signed-off-by: treak <goodfeelingzzz@gmail.com>
(cherry picked from commit 341e374c723f0dc78e755ca962d22d5d9a8f54d8)

Conflicts:
	src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp

Codestyle

(cherry picked from commit 3530b938a8d390d4d39ac840d5b0e7403b08dbc5)
SQL: Rename sqls after recent merges
Core: Fix non-pch build
DB/SAI: Added SAI for some mobs in Icecrown Citadel
Core/LFG: Fix being unable to re-queue after leaving queue

(cherry picked from commit c2a69e748e243c9c08050c3bca854be3c0dc2130)