Implement display blurring for overzoomed charts on OpenGL
Fix OS X options (and other) dialog background colour
Add missing file to .po scanner list.
Improve international font specification loading/scrubing from config file.
Clear and re-write font descriptor list in config file on exit.
More UI colour fixes for (mostly) OS X
Fixes for Linux
Options rearrangement
Move Vector options back to Charts, add Units options
Move some options from UI to Display>Advanced
Move Depth Units setting to Units page
Correct invalid LUP fault on some PlugIn ENC chart rendering.
Correct occasional fault adding last point on Track::Stop()
Remove repeated log messages on COMM port failure.
Correct course up/north up toggle by compass/GPS status icon click.
Redesign Vector Chart Display options pane
Rearrange General options pane
Rearrange Advanced options pane
Improve Menubar ItemStateSelect logic
Merge pull request #202 from CaesarSchinas/colours

Fix dialog colours on OS X (and minor fixes other platforms)