Release version 0.2

[conradev]

It is currently living on the develop branch.

To Do

• Add support for Box, Dropbox, Imgur, Lyft, Slack, Todoist, Venmo, Wunderlist
• Add support for SFSafariViewController
• Add support for app-to-app auth
  • Box
  • Dropbox
  • Uber
  • Venmo
• Make Demo app feature complete
• Go through and fix up documentation
• Fix up README to show SFSafariViewController and to mention the Demo app