Update readme for cmake version for c++11 stuff
DB/Misc: Miscellaneous fixes

By dr-j, closes #11780
Fix wrong loot in two chests for quest 'The Shadow Tomb'.
Fix turning in of 13120 Deaths Gaze.
Fix torching sunfury hold.
Cmake: Added level restriction for msvc 2013
Merge branch 'master' of git://github.com/TrinityCore/TrinityCore