Core/Scripting: More cleanup to Mechanar scripts. Added missing doors and handling to instance.
DB/Waypoints: Fix waypoints for Mechano-Lord Capacitus
Scripts/Mechanar:
* cleanup for door system
* Convert mechano lord capacitus in c++
Misc: Reorder more scripts in some script files and some cosmetic stuff
Merge pull request #8928 from joschiwald/spellscripts_reorder3

Misc: Reorder more scripts in some script files and some cosmetic stuff
DB/Wps: Fix one last DB startup error related to waypoint_scripts
Core/Scripting: Updates to Zul'Grub Instance.
Core/Scripting: Misc Cleanup.