Added 'open in app' icon
And opening link.

Works for Trello, GCalendar, GDrive.

Fails for GContact, Dropbox, Gmail
GMail will never work sadly due to http://stackoverflow.com/questions/3592745/how-to-open-a-particular-message-conversation-in-the-gmail-app
Updated test suite
Merge pull request #31 from AnyFetch/full-view

Open in app