Core/Build: Fixed some possible crashes.

- Update checkcast and movement impairing effects on spells
- Removed Blast Wave effect and scripts(deprecated).
- Re-added original proc for Arcane Missiles! aura, this is
. working better in hex, then converted to dec.
DB/Spells: Fixed Mage Portal/Teleport spells to Tol'Barad.
thanks to: Thema89, Walkum, and Drethek.

Signed-off-by: ImageDev <EmageDev@gmail.com>