0.9
Announce 0.9

* License fixes (APK compatibility).
* Gradle updates.
* Fix bug with prefix lengths and Unicode characters outside the BMP.
* Dependencies updates.

Francis Galiegue (14):
      Announce 0.8
      Update README
      Gradle changes
      Update gradle wrapper
      Make all tests run from the command line
      Modify license texts
      Update copyright on files
      Update dependencies
      Work around Java 8's javadoc bug
      StringRenderer: fix bug with .substring() vs code points...
      Update release notes
      README updates
      StringRenderer: use a StringBuilder instead of string concatenation
      0.9