Rename GlyphBackgroundImage to BackgroundImage

Import png images in a background thread

Fix memory leaks

Move progress indicator to tab bar

Improved TTF generation, character width, gasp table etc.

Split .bf files in several smaller .bfp files
This commit adds support for the .bfp file format.

Merge branch 'master' of gitorious.org:birdfont/birdfont

Update copyright

Create thumbnails with Cairo instead of GDK Pixbuf

Use native image conversion on Mac OS X

translations on android

android port of libbirdfont

fix warnings in export

keep view after window is resized

Merge branch 'master' of gitorious.org:birdfont/birdfont

mac issues, including a more permissive license for libbirdfont

complile with clang

rename supplement namespace to birdfont

fix warnings

new directory structure