Added Mac OS X system files to be ignored
Merge remote-tracking branch 'upstream/LESS-Support' into dev
Fixed bugs: RTE content elements still work after a deinit/init cycle, global column controls do not affect any row controls.
Redo dist
Remove tinymce/grunt-less from bower
Much improved themeing
Themes now import default vars and are simply overridden.
Better contrast etc
Removing old theme files