release 1.0.4
release 1.0.4

f20efaf the start call event can be delivered to JS when app is launched via user activity  (@ianlin 2017-01-05 11:51:15 +0800)
84ef004 Update README.md  (@Ian Yu-Hsun Lin 2017-01-03 20:26:34 +0800)

killian90/react-native-callkit,ianlin/react-native-callkit,ianlin/react-native-callkit