Remove unused variable
Upgrade Xcode project file to recommended settings
Merge pull request #55 from sjmulder/unused-var

Remove unused variable
Merge pull request #54 from sjmulder/upgrade-xcproject

Upgrade Xcode project file to recommended settings
Merge branch 'master' into wip/imap-xoauth2
Update XOAuth2 sample stub for device flow
Partially implement device flow, tturns out it's unsupported for Gmail