rework saving of camera positions so there is no need to know framerate during prerecording. support x264 on older versions of ffmpeg/libav. remove some unuseful options.

if(WIN32 AND NOT UNIX)
	file(GLOB DLLs *.dll)
	file(GLOB ICOs *.ico)
	
	install(FILES
		${DLLs}
		${ICOs}
		DESTINATION bin)
endif(WIN32 AND NOT UNIX)