Assed Carthage support

Updated version

Refactored for future Swift Package Manager. Renamed project. Updated…

… version and podspec.

Fixed read me

Fixed roundCorners and image with text. Updated sample code and read …

…me file with screen density sample code.

Updated documentation and version number.

userstate

Support for Swift 2.0

Support for Xcode 6.1 and Swift 1.1. Updated initializers to support …

…failing.

Updated for Xcode 6 Beta 7