Restored the code which loads up the default HUD colors from hud_3.hcf. Was apparently accidentally removed in r9549.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9582 387891d4-d844-0410-90c0-e4c51a9137d3
Fixed an accidentally committed debug mprintf.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9583 387891d4-d844-0410-90c0-e4c51a9137d3