iOS 7 support for ColorMyWorld

iOS 7 support for ColorMyWorld was a little trickier than I thought it would be. I added support for Pantone colors, fixed a bug with some jumpiness during zoom, added a double-tap to zoom feature. That was all easy.

The trickiest part was fully adopting a pure Auto Layout implementation of the UI, as is recommended in iOS 7. It took the better part of two days to fully grasp the basics. In the future, I’ll have to learn a little bit more about how to manipulate constraints programmatically, as I only know the basics of the visual format language, but for now, I’m happy to be where I’m at.