2.1.0

Fixes

• Replace deprecated RCTEventDispatcher (#68)
• Fixed Safari View not being presentable from a modal (#26, #53)
• Fix issue with readerMode not accepting false as a value (#56, #58)

Other

• Implemented promises natively (#73)
• Update example project to react-native 0.48 (#71)
• Update StatusBar examples in README (#64)