Add outcommented helper to assign zone/area to gameobject by guid
[12467] Add GO-Casting to SCRIPT_COMMAND_CAST_SPELL

Close cmangos/issues#203
[12468] Use normal cast time for triggered spells by default

Please report problems that might (or might not) arise

Signed-off-by: Schmoozerd <schmoozerd@cmangos>

Conflicts:
	src/game/Spell.cpp
[12469] Improve Waypoint Management

* Allow waypoints that have point-ids not from 1 to n
* Remove possibly bad sql-statements to "fix" the above property
* Simplify code a little bit

Remaining TODO: Bring commands up-to-date and also make things more simple instead of using the database to store visual waypoints

Conflicts:
	src/game/WaypointMovementGenerator.cpp
SD2 update