Merge pull request #5 from kavyamanohar/master

Removal of unused glyphs. Replacement using reference glyphs.
Glyphs of ഡ
Set PFM family as script
More glyphs, more redrawings
Some glyph improvements
More glyphs
Correction of many glyphs to smooth the curves
Glyph improvments
More improvments
Reduce font size by using references