Remove any music files that won't actually be played in battles
Modify Ship Status and Chatter to be more like original GA

This includes proper buttons for status display selection
No idle chatter outside of missions until everyone has > 1 line
Smaller chatter panels
Stats tracker works on non-Angel player-controlled units as well
Fix prong angle on Emblem Frames
Weapon cats for eventual module system
Morale handling in unitdefs_post
misc.