Merge pull request #25 from christi3k/gh-pages

Support for localization via Transifex.
Fixing icons style guide URL
Adding example of getting contacts
Adding line break between contacts
Adding / to make launch_path relative
Adding 60*60 logo
Adding 60*60 logo
Adding 90*90 logo
Adding 90*90 logo
Adding 120*120 logo
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages
update l10n for permissions help text