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Closes #2681

This is how this looks like, now:

![img_0699](https://cloud.githubusercontent.com/assets/1195260/5049258/06f15c4c-6c03-11e4-9a7d-c6f31db6723b.PNG)

/cc @aerych (Thanks in advance Eric!)

A question of code style... something like
`private let property_name : CGFloat = 11.0` 
seems cleaner than a a cast statement to make the property infer the correct type.