- Added CROUCHABLEMORPH flag for the PlayerPawn class. Use this to indicate that a morphed
  player class can crouch. (Regular players can always crouch, hence the name CROUCHABLEMORPH
  and not CANMORPH or ALLOWMORPH.)

git-svn-id: http://mancubus.net/svn/hosted/zdoom/zdoom/trunk@4221 a95907f1-e10c-0410-b46f-9e587ccb1026