New missile models
Fix KF-F's light missile facing
Remove chicken widget
Spirit stuff

Add UI swirl and sound when reaching full spirit
Fix spirit gains for units with morale ~=50
Make variable names more consistent
Unit Info: allow weapon hiding; some refinements
New sounds
Accuracy gadget uses morale again
Fix damage received modifiers from morale affecting spirit gain from the same
Special weapon handler stores targets and makes available to GG