* updated CHANGELOG.md [ci skip]

* updated README.md [ci skip]

* updated versions.txt [ci skip]

* updated appengine/pom.xml [ci skip]

* updated bom/pom.xml [ci skip]

* updated credentials/pom.xml [ci skip]

* updated oauth2_http/pom.xml [ci skip]

* updated pom.xml [ci skip]