[svn] Implemented player on player and player on creature possession:

* Implemented packet and vision forwarding through possessed units
* Added new OnPossess script call alerting scripts on when possession is applied/removed
* Moved fall damage and fall under map calculations into the Player class
* Added new PossessedAI that is applied only while possession on creature is active
* Implemented summon possessed spell effect
* Fixed Eyes of the Beast

--HG--
branch : trunk

src/game/Makefile.am

@@ -217,6 +217,8 @@ $(srcdir)/PlayerDump.cpp \
 $(srcdir)/PlayerDump.h \
 $(srcdir)/PointMovementGenerator.cpp \
 $(srcdir)/PointMovementGenerator.h \
+$(srcdir)/PossessedAI.cpp \
+$(srcdir)/PossessedAI.h \
 $(srcdir)/QueryHandler.cpp \
 $(srcdir)/QuestDef.cpp \
 $(srcdir)/QuestDef.h \