react-native-camera

chore(release): 1.6.4 [skip ci]

## [1.6.4](https://github.com/react-native-community/react-native-camera/compare/v1.6.3...v1.6.4) (2018-12-19)

### Bug Fixes

* exclude android build artifacts ([#2001](https://github.com/react-native-community/react-native-camera/issues/2001)) [skip ci] ([41ebb3e](https://github.com/react-native-community/react-native-camera/commit/41ebb3e))
* use correct licence in package.json ([#2015](https://github.com/react-native-community/react-native-camera/issues/2015)) [skip ci] ([52aed43](https://github.com/react-native-community/react-native-camera/commit/52aed43))
* **rct-camera:** crash when metadata.stringValue is nil ([#2016](https://github.com/react-native-community/react-native-camera/issues/2016)) ([960c5b1](https://github.com/react-native-community/react-native-camera/commit/960c5b1))