fix fade to black in training

PhysFS-aware check for directory existence. Should fix issue #511.

skip frozen hogs in switch

Add missing feedback button translation

This has bothered me for the longest time. Move texture so it doesn't overlap. I'd initially had a test for isPaused, but jumping texture bothered me.

our cmake modules have become good enough, prefer them over system ones

Backed out changeset 4cccc0520988

our cmake modules have become good enough, prefer them over system ones

write FindGHC.cmake for haskell stuff

*sigh* I always forget to pull when AFK for a while. btw. why are we still keeping binaries in here? ☹