[maven-release-plugin] prepare release jsonschema2pojo-0.4.6
[maven-release-plugin] prepare for next development iteration
[release] updating README.md for 0.4.6
[release] updating CONTRIBUTORS.md & CHANGELOG.md for 0.4.6
Add Gson @SerializedName on enum constants

Closes #267.
Add initializeCollections to Gradle example
Mention JSR-349 (as well as 303) in docs for bean validation

Closes #253.
adding unit test for default package