Brought whole project up to date. Move to XCTest using new async testing features and implemented tests covering all services. Swapped AFNetworking for NSURLSession.
Removed AFNetworking
Call all completion handlers on main thread and use modern syntax when accessing dictionaries.

Changed version number to 1.1.
Added the ability to add new tests and new runs (issue #8 and #9 respectively).

Updated icons.
Migrated to using asset catalogs for all images. Replaced old SDK images with something more appropriate and flat.
Added LaunchScreen xib file for iOS 8.
Updated readme.