Gee thanks SDL for only accepting UTF-8 filenames and not documenting that anywhere ever also WHY WOULD YOU DO THAT ugh unicode
fix tanks and aliens being able to kneel.
update Portuguese translations.
Merge pull request #450 from hmaon/o

pch.h updated
codeclean
Merge pull request #451 from xanscale/master

codeclean
Precompiled header optimizations.
no cstdint