applied dynamic LOS patch for ROV
fix death and decay on invis targets, credit: PKX
cleanup
dynlos checks in WorldObject
revert creature allowed position Z hunk, not sure why it got deleted
Core/Objects: Changed how update fields marked for sending are stored serverside to use our UpdateMask class
Core/Objects: Some optimizations to object updatemask building
Core/Object: Fixed a mistake in update mask building - fields marked with UF_FLAG_PARTY_MEMBER should be sent to the entire raid, not only one subgroup