VectorSet compile fix. refs #146
Removed usage of Sys_GetSystemRam(). refs #164
Precompiled headers unbound
rebased
added missing Sys_GetSystemMem
removed jpeg-6, replaced by jpeg-6b
typo fixed
fixed conditional tools building
cmakelist cleaned from precompiled
removed hardly useful Sys_GetSystemRam()
fixed ffmpeg includes for unix
frame.h deprecated on modern libavutil