use .bf as intermediate format in freetype parser

remove build scripts

handle the case when both first and last point off curve in ttf import

progress bar

units per em in ttf import

truncate kerning table

ignore control characters in TTF fonts

load kerning from freetype fonts

fix compile warnings

error messages

freetype2 validation

build for windows

units per em

Load TTF and OTF files with Freetype2

c code to load fonts with freetype2