++MTL and ++RAC
Don't automatically build unit tests
Rename OCTGistEdit.description to gistDescription

Unclear how this ever worked.
Merge branch 'master' into xcode6
++Mantle and ++RAC
Fix xcconfig references, remove some dead refs
Re-link RAC and Mantle, bump OS X target
:fire: Prefix headers
Import SystemConfiguration before AFNetworking
Fix everything about OctoKitDependencies' targets
Recreate OctoKit iOS as a framework
More configuration fixes
Import Nimble and Quick in test targets
Fix test imports
Don't use Test.xcconfig, it's a big troll
WIP migrate to Quick spec format
WIP migrate to Nimble expectation format
More test updates, import OHHTTPStubs properly
no but rly
More expectation find-and-replacing