Change licence to MIT and use your email

Updates the licence to use a proper licence without swears so we can use it in a public-facing app.

Looks like you copied and pasted the example licence off the DWTFYW licence website. I've updated the licence with your name and email.

Because we use Cocoapods to auto-generate an acknowledgements file, we end up with swears in a publicly facing page. I want to give credit for your work (obviously)! Using the MIT licence doesn't change anything, it's still totally permissive and means that you're not liable for anything. 

Cheers