v3.0.0

[3.0.0] - 2019-01-10

For RN prior to v0.57, use react-native-text-size v2.1.1

Added

• Support textTransform:uppercase for specsForTextStyles in Android.

Changed

• peerDependency on react-native to >=57.0
• Update gradle files to be consistent with RN 0.57
• Update License year.

Removed

• Unused 'example' directory.