Simplify ammo menu conditions so it shows up in more states. Should fix
issue #465. The part w/ sliding in uworld is main #465 problem.
this version of tremor requires a nil check on close_func
https://svn.xiph.org/trunk/Tremor/vorbisfile.c
update lua (remove duplicate strings, esp in fr.lua - mostly my fault - and add a bit more escaping to the crude script)
5 files that fail to load in libpng1.5 - ran convert against libpng1.2 then pngcrushed 'em to strip for good luck