Update FFmpeg subtitles codepage conversion
Code Cleanup

Removed some duplicate code through decomposition.
Code Cleanup

Remove duplicate boolean
Merge pull request #102 from Skylion007/master

Code Cleanup
Revert "Code Cleanup"

This reverts commit e460b1e4b00ca0f6198a00de59aae943d7dc7198.
Change FFmpeg subtitles based on https://trac.ffmpeg.org/ticket/2067
Merge branch 'ffmpeg_subs' into Panasonic_subs

Conflicts:
	src/main/java/net/pms/encoders/FFMpegVideo.java