Distinguish between system warnings and errors
Set cells to be opaque
CommitCell improvements
Removed explicit user loading for gravatars

Because it isn't necessary.
Removed deprecated loadData interface
Moved methods to GHCommit

Plus tests for the new methods
Added full commit message text to commit view
Added GroundControl
New version number is 1.7.5
Fixed missing "mark as read" button
Fixed pretty date helper. Closes #224
Set repo associations lazily

Saves memory
Added reload button for forks
Improved gist view
Added missing pod files
Upgraded CocoaPods to 0.16.1
Added script to debug API responses
Updated pods
Note about debugging with pre-1.9 Ruby versions
Ensure deactivated cache