fixes #29 (https://github.com/rs/SDSegmentedControl/issues/29) - SDStainView cornerRadius is ignored
consolidated fix for #29
partially fixes #50 - view desaturation on iOS7
better fix for #50
respected code style for #29
Merge pull request #61 from valeriomazzeo/master

fixes #29 (https://github.com/rs/SDSegmentedControl/issues/29) - SDStain...