Fixed MakeMKV forced subtitles
* MakeMKV does, in fact, leave the forced subtitle flags in the subtitle tracks
* added --no-burn option in case forced subtitles are incorrectly chosen
Added option to use libdvdread instead of libdvdnav in case of "dvdnav: Read Error, Error reading NAV packet."
Added "greyscale" synonym
Removed extra spaces, dashes and underscores from start or end of title
Fixed HTTP header for download probs with tmdb
Changed debug printing; removed it from the run loop
Force the tmdb config file to be reloaded every time in case config params change
Fixed some title corner cases
* 's in names were getting upper cased
* remove ending _ or , characters