White space fixes

Store absolute coordinated for parts in background selection
Fixed a bug in the BF font format.

Fix image selection offset

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

Conflicts:
	libbirdfont/BirdFontFile.vala

Scale selection box when background image is scaled

Store image selections in bf fonts

Assign backgrounds to glyphs

Delete background selections

Remove image import tab
deleted:    libbirdfont/BackgroundSelection.vala

Rename GlyphBackgroundImage to BackgroundImage

Import png images in a background thread

Save, export and load fonts in background threads

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

android port of libbirdfont

fix warnings in export

remove webkit callbacks

keep view after window is resized

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

mac issues, including a more permissive license for libbirdfont

show file name for recent files

complile with clang

rename supplement namespace to birdfont