- Tab box and toolbar - color adjustments
- Toolbar - option buttons adjustments
- Error count badge adjustments
use css for hover
Merge remote-tracking branch 'upstream/master' into osx-skin-improvements
 Issue 6642: Improve Firebug skin for OS X
 - removed experimental hover/highlighting on splitter element
 - increased splitter size
 - removed commented code
Merge pull request #88 from thomasandersen/osx-skin-improvements

Issue 6642: Improve Firebug skin for OS X