++RAC
++Mantle via OctoKit
Update code for OctoKit and RAC breaking changes
lol build settings
Update dependencies to fix symbol duplication

See octokit/octokit.objc#186.
Update HockeySDK to 3.5.5
Try to fetch user info upon automatic sign in

If that fails, attempt to sign in again.

Fixes a crash when the saved access token is invalid.
Merge pull request #24 from jspahrsummers/update-deps

Update dependencies