Replace button focus outline with a subtly darker background color.
Merge pull request #97 from adobe/iwehrman/issue-39

Fix browse dialog button focus
work in progress
Merge branch 'master' of https://github.com/adobe/brackets-edge-web-fonts
improved layout of browse addition
change default selection: only select default when "browse EWF …" is not shown. Only show "browse EWF …"  if user has not started typing