0.9

Changes:

• Added watchOS configuration: #40 (Thanks @mrackwitz!)
• Added tvOS configuration: #42 (Thanks @NachoSoto!)
• Updated SWIFT_OPTIMIZATION_LEVEL for Swift 2: #43 (Thanks @NachoSoto!)
• Improved configuration of TARGETED_DEVICE_FAMILY for all platforms: #50 (Thanks @ikesyo!)
• Enabled GCC_NO_COMMON_BLOCKS: #56 (Thanks @calebd!)