Added 0xA000-cgen png -> component creator

Added a program that can generate components + palettes based on a protoype
glyph in a PNG. Relies on GEGL, image magick, and potrace.
improvements wrt extended palette
close to finishing glyph touchup for multi directorional diagonals
fix bold font components
remove more M instances
further glyph improvements for new tiles
added missing mappings to bold
remove unused file
implemented new tiles for raster theme
more glyph fixups
more glyph fixups
glyph fixups
increased spacings for some glyphs
glyph improvements
added slimmed palette, made it default

This make 0xA000-Regular balloon a bit in filesize due to the sligh
uneven-ness of the curves in the font. Still committing this change since
the weight of the slimmed palette is much better than the previous
regular.
resurrect old regular as semibol, add pen shape
updating text