react-native-pdf

1. fix crash when scale is bigger (#4)
2. improve pan operation when page=1 (#15)
3. Fix TypeScript definitions (onLoadComplete and onPageChanged) (#16)
4. add headers and method support to source

1. add page breaker support (ios/android)
2. add password support (ios/android)
3. improve font rendering (android)
4. change default activityIndicator to progress bar

1. fix change path do not show new pdf problem. (thanks @maluramichael )

1. fix can not show base64 data (#10)
2. android-pdf-viewer version up to 2.6.0

1. add RN(ios) ver<0.40 support (thanks @999946)

1. fix download from url error

1. add property source = {uri:"bundle-assets://path/to/xxx.pdf"} to support loading pdf from assets
2. add page break drawing in iOS version
3. add onError callback

first release