Adds -loadView method, and set the view programatically. Fixes #52
Renamed a notification constant
Adds passbook pasting support. Refactors SLKPastableMediaTypes.
Fixes a few scrolling issues/glitches
Fixes small typos
Includes 'com.apple.uikit.image' as available pastable type
Renames notification names
Refactors how placeholder images are set, in the sample project