RELEASING.md updated

RELEASING.md

@@ -2,7 +2,7 @@ Releasing
 ========
 
  1. Change the `VERSION_NAME` value in `gradle.properties` to the version number to be released.
- 2. Update the `README.md` with the new version.
+ 2. Update the `README.md` with the new version and update `CHANGELOG.md` 
  3. `./gradlew clean build`
  4. `git commit -am "Prepare for release X.Y.Z."` (where X.Y.Z is the new version)
  5. `git tag -a X.Y.Z -m "Version X.Y.Z"` -m "Changelog message 1" - m "Changelog message 2" -m "Changelog message 3"