Merge branch 'master' of github.com:johanmattssonm/birdfont

Merge ../birdfont-2.x

Assign spacing class data by name

Merge branch '2.x' of github.com:johanmattssonm/birdfont into 2.x

Merge ../birdfont-2.x

Fix spacing classes

White space fixes

Fix spacing classes
Always copy side bearings from the first glyph to the next glyph (never
the other way around) when new spacing classes are added to a font.

Store fallback font in database

Merge branch 'master' of https://github.com/johanmattssonm/birdfont into HEAD

Merge branch 'master' of github.com:johanmattssonm/birdfont

Merge branch 'master' of github.com:johanmattssonm/birdfont

Fix spacing classes

Merge branch 'master' of github.com:johanmattssonm/birdfont

Merge branch 'master' of https://github.com/johanmattssonm/birdfont into HEAD

Run only one export from preview tab

Thread safety in text rendering

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

Conflicts:
	libbirdfont/BirdFontFile.vala

Move spacing data to font class