Release Notes for protobuf-java-format

1.5
- #35 - Fix character encoding bugs when printing to strings and byte arrays.
- #37 - Fix NPE during json deserialization.
1.4
- #15 - Fix unsigned values for JacksonFormatter.
1.3
- #4 - Upgrade to com.fasterxml version of Jackson.
- #3 - Updated dependency on protobuf-java to 2.5.0.
- Issue #2, #5 - Fix test code generation and wrote a few unit tests using TestNG.