SD2 update
[12384] Fix recently un-outcommented code to be actually working
[12385] Use Filter log for grid unloading messages

Conflicts:
	src/game/Map.cpp
[12386] Note ingame if gossip conditions are ignored because of GM mode
[12387] Implement spell effects 50742, 50810 and 61546

Conflicts:
	src/game/Spell.cpp
[mr2714] simplify from 12389, compile fix after 12387