[Breaking] Header files moved with react-native@0.40.0

[peterjuras]

react-native moved the header files starting with version 0.40.0

I'll create a PR to adjust the imports, could you have a look at this? Otherwise we are stuck on react-native 0.39.2.

Thanks,
Peter.

[peterjuras]

PR available at #43

[alexwasner]

Can this PR be merged in?

[peixin]

Please merged PR #47