TTFFont: add ability to convert from TLKEncoding to Unicode
TTFFont: plug whitespace char leak
Font: add ivar to signify multibyte encoding
Font: expand all strings to 2 bytes in order to support multibyte text
Fonts: relocate and update a note
BAMFontManager: may as well use the actual bam resref for the animation manager
BAMFont: plug leaking. GetFrame* increments the retain count of a sprite.

fixes the animation manager warnings on exit
Interface: load TLKEncoding from the language INI
BAMImporter: dont need an if block here; just pass RLECompressed directly to the video driver.
BAMFont: much simpler initialization logic
BAMFont: implement multibyte char support