Sketch donation user experience

![basicuserexperience](https://cloud.githubusercontent.com/assets/8646429/5287030/11412d0a-7af7-11e4-9b3d-a477ec6e3df7.gif)

Question on this - the method I would create will eventually go onto my Calendar object, which in this branch doesn't exist. Do I still create the method only to erase it later?