Core/Gossip: Change max menu items to 32

Tested and a gossip menu can show max 32 items on a menu.
When sending 40 options: http://puu.sh/7rqb6.jpg
Merge pull request #11694 from Rochet2/patch-1

Core/Gossip: Change max menu items to 32
DB/SAI: The book of the Raven

By untaught, closes #11570
Core/Gossip: Add security to C++ scripted gossip options by checking guid of the object that the player is interecting with. Idea by @LilleCarl

Closes #11567
DB/SAI: No Rest For The Wicked

By MitchesD, closes #11709
Core/Gossip: Fix crash added in 6c64fa8de36dad958821c6078b3f2f5f5753a2fc

Fix NULL dereference crash caused by a typo in 6c64fa8de36dad958821c6078b3f2f5f5753a2fc
Scripts/ZulGurub/Jeklik: Add missing "break"
Scripts/AhnKahet: Fix some uninitialized values

Initialize all class fields in the constructor, even if they are set in Reset() and they shouldn't be accessed before Reset() is called.
This fixes 2 Coverity reports.
Scripts/Krikthir the Gatewatcher: Fix EVENT_ANUBAR_CHARGE event not being triggered

Fix EVENT_ANUBAR_CHARGE not being triggered due to value 0 being set to the EVENT_ANUBAR_CHARGE enum, even if 0 is a special value for EventMap to specify no event was triggered.
Issue added in a127c0e1a7612094c2bf8b2f5092f55aa96f0556
DB/Creature: Fix 2 mobs incorrectly using prowl

By untaught and mario-64, closes #11703
DB/Quest: The Deserters

By untaught closes #11665