Add a rawLogin after logging in through the web flow.
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
Make lastCommitURL a NSURL
Fix indention of the tiny dash in the docs
Capitalize SHA parameter for fetching commits
Add docs for empty SHA given
Use tabs instead of spaces
Remove two unnecessary empty lines
Add GitCommit to umbrella header
Merge pull request #156 from pietbrauer/master

Add branch fetching
Merge pull request #155 from octokit/raw-login-for-web-flow

Add a rawLogin after logging in through the web flow.
Make OCTBranch.h public on OS X

/cc @pietbrauer @joshaber
Move the SHA notice to the upper part of the documentation
Convert the last thing into tabs