Fix error when trying to login under iOS 7
Merge rawLogin if it is non-nil.

We want to preserve use entry (nil means no username entry in a
particular OCTUser).
Add a test for merging rawLogin.
Merge pull request #153 from octokit/merge-non-nil-rawlogin

Merge model.rawLogin if it self.rawLogin is nil
Use hard tabs instead of spaces
Merge pull request #152 from pietbrauer/master

Fix error when trying to login under iOS 7
Add OAuth scopes for manipulating public keys
Merge pull request #2 from github/public-key-scopes

Add OAuth scopes for manipulating public keys
Add a rawLogin after logging in through the web flow.
Add OCTBranch object with specs
Add fetching branches from user repository
Remove empty line
Add documentation
Add commit json sample
Add OCTGitCommit with tests
Add commit fetching from a repository
Add docs for OCTGitCommit
Add commit date
Add OCTBranch to private headers and import in umbrella header
Fix indention in BranchSpec