MorphOS first commit
Required changes + working FLV files on ppc systems
Wrong swap function used
Little fix of russian stylistics.
Merge https://github.com/SupSuper/OpenXcom

Conflicts:
	src/Battlescape/TileEngine.cpp
	src/Engine/Options.cpp
Merge pull request #535 from stefkosdev/master

MorphOS/PowerPC changes
Merge pull request #579 from spaun2002/Russian_stylistics_fix

Little fix of russian stylistics.
Compiling errors