Needs updating to Swift 2.0

[Matthew Klassen]

Updating to XCode 7 means that this is no longer usable without running the auto migration tool.

[Xuan]

Xcode 7 has a converter to do ths job. You could use it. I did, and works fine so far.

[Whirlwind]

I hope you can upgrade this project, if you are free.

[Ryo Aoyama]

@Inferis84 @liuxuan30 @Whirlwind
#17
Updated to support Swift 2.0 by @ekimia .