* Updated to ZDoom 4251:
- Added bounce states. Set the BOUNCE_UseBounceState flag to use them (+USEBOUNCESTATE via DECORATE).
- Added a big-endian fix for actor flag fields that aren't four bytes wide.

git-svn-id: http://mancubus.net/svn/hosted/gzdoom/trunk@1565 b0f79afe-0144-0410-b225-9a4edf0717df