(cherry picked from commit 3b1df8be)

Conflicts:
	pom.xml
	retrofit-converters/jackson/pom.xml
	retrofit-converters/pom.xml
	retrofit-converters/protobuf/pom.xml
	retrofit-converters/simplexml/pom.xml
	retrofit-converters/wire/pom.xml
	retrofit-mock/pom.xml
	retrofit/pom.xml
	samples/github-client/pom.xml
	samples/mock-github-client/pom.xml
	samples/pom.xml