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
Updated .gitignore
Merge branch 'develop' into FFMpeg

Conflicts:
	client/CVideoHandler.cpp
Merge branch 'develop' into FFMpeg
Remove trash treasures from large piles.
Quantize treasure values to let objects at upper bound spawn.
Treasure distance now scales depending on zone size. Should be close to OH3 formula.
Corrected treasure value rounding.
Increased treasure density a bit.
Merge branch 'develop' into FFMpeg
Fixed sound on object pickup with dialog
Fixed sound effect when hero disappears
added FLAC support
Updated build instructions with Fedora focus
fixed object types playing sounds
fixed typo