Add a readonly property to retrieve the issues HTML URL.
Refactor OCTResponse into a MTLModel

Better than NSObject<NSCopying>, and more consistent with other OctoKit
objects.
Merge pull request #86 from octokit/mantle-response

Refactor OCTResponse into a MTLModel
Merge branch 'master' into issues-url
Rename to OCTRepositoryHTMLIssuesPath.
Clearer docs for issue number appending.
Merge pull request #84 from octokit/issues-url

Add a readonly property to retrieve the issues HTML URL.
++RAC
Add the repository refType.
Fix indentation on documentation.
Fix documentatation formatting.
Merge pull request #91 from jacksonh/repoRef

Add the repository refType.
Add path, body, and position properties to commit comments.
position should have the copy attribute
Fix typo in documentation.
++RAC
Document why position can be nil.
Merge pull request #94 from jacksonh/commitComments

Add path, body, and position properties to commit comments.
Use the application/vnd.github.v3 content-type
Merge pull request #95 from kylef/media

Use the application/vnd.github.v3 content-type