Mingw build with ffmpeg
(*) get rid of BIK SMK dlls
(-) missing sound
(-) spellbook is scaled to fullscreen
add api to enable|disable scaling (unimplemented)
Use scaling
(*) into - fullscreen
(*) spellbook - no scaling
set scale to off by default
Make scale a parameter of "open" methods
Merge branch 'develop' into FFMpeg

Conflicts:
	client/CVideoHandler.cpp
Merge branch 'develop' into FFMpeg
Merge branch 'develop' into FFMpeg
Updated Visual for FFMPEG. Need to define environmental variable FFMPEGDIR for it to compile. Not functional yet, though.
Updated build configs. Everything works.
Migrating to MSVS 2013, which allows to delete inttypes.h file.
Merge pull request #26 from vcmi/FFMpeg

Let's do this, way too many branches running now.