Fixed an issue where delegate methods were not being called after successful (or failed) logins attempts with the login view controller.
Fixed a GCD memory management issue that was causing compilation failures for applications that are targeted for iOS 6.
Modernized some deprecated calls for iOS 6.
Incremented version number for release.
Updated project configuration for Xcode 4.6.
Fixed code warnings exposed by Xcode 4.6.
Added `X-Singly-SDK` and `X-Singly-SDK-Version` headers to `SinglyRequest`.
Start of a custom url protocol for testing.
Attempting to start a session without a defined client id or client secret will now result in an exception.
Added support for testing mock api responses.
Added support for loading JSON data fixtures for tests.
Merge branch 'stable'

Conflicts:
	CHANGELOG.md
	SinglySDK Example/SinglySDK Example/SinglySDK Example-Info.plist
	SinglySDK/SinglySDK/Resources/Resources-Info.plist
	SinglySDK/SinglySDK/SinglyConstants.h
Merge branch 'master' of github.com:Singly/iOS-SDK

Conflicts:
	CHANGELOG.md
	SinglySDK Example/SinglySDK Example/SinglySDK Example-Info.plist
	SinglySDK/SinglySDK/Resources/Resources-Info.plist
	SinglySDK/SinglySDK/SinglyConstants.h