Scripts/TheStormPeaks: Cold Hearted quest update.

Fix a crash.Thx @DDuarte.
Closes #8865
Move waypoint data from script  to DB table.
Scripts/TheStormPeaks: Cosmetic changes.
TDB 335.51 - 2013/02/14

Ref #8947
Closes #9077
Merge remote-tracking branch 'origin/master' into 4.3.4