GRIM: Fix the subtitles of background talking actors. Fix #685
GRIM: Fix the Domino's punching bug animation. Fix #351
GRIM: Rename Actor::_constrain to Actor::_followBoxes.
GRIM: Fix Neon lady animation glitch. Fix #300
GRIM: Fix bone wagon popping in set sg. Fix #691
GRIM: Clear the Actor's path nodes on restore.
GRIM: Make TurnActorTo() more compliant to the original
GRIM: Cleanup PointActorAt().
GRIM: Save and restore the movie subtitle. Bump save version to 22.6.
GRIM: Avoid/reduce flicker when changing costume
GRIM: Don't check for collisions with actors without a costume. Fix #453
GRIM: Save and restore some forgotten Actor's turn related fields. Bump to 22.7
GRIM: Set the id of the lights on restore.
GRIM/Movie: Fix some delete/delete[]/free mismatches.
GRIM/Movie: When seeking start decoding blocky16 from the keyframe.
GRIM: Fix use of uninitialized value.
MYST3: Add detection entry for v1.21 M3.EXE
GRIM: Move back the call to set the head lookat after animating the model.

That broke Glottis when he sings the tusty anchor.
GRIM: Fix volumes setting. Fix #710
GRIM: Set ModelNode::_initialized to true on node loading.