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

Merge pull request #132 from boen1977/wrncleanup

Remove compiler warnings: `GLib.Thread.create'

Fix misc compiler warning.

Add *nix as OS tag

Use same tag for BSD and Linux

Write program version and OS to .birdfont file

Drop Drawing class

Create a backup every time a font is saved

Prevew template

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

Merge ../birdfont-2.x

Merge ../birdfont-2.x

Export font files to user directories

Fixes a bug in BirdFont on Mac OS

Merge ../birdfont-2.x

Language settings

Merge branch '2.x' of github.com:johanmattssonm/birdfont into 2.x
Version 2.16.12

Merge ../birdfont-2.x

Scrollbar

Fix compile error

Install libsvgbird

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

Use libsvgbird for drawing in libbirdfont

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

Speed optimizations for the overview tab

This is done by caching labels and creating an array that stores the
length entire lenght of the set at all unicode ranges in GlyphRange.

The current version runs in a single thread but some work has been done
in order to render overview glyphs in a background thread.

White space fixes