[maven-release-plugin] copy for tag resthub-backbone-stack-2.1.2

[maven-release-plugin] copy for tag resthub-backbone-stack-2.1.1

[maven-release-plugin] copy for tag resthub-2.1.0

[maven-release-plugin] copy for tag resthub-2.1.0-rc1

[maven-release-plugin] copy for tag resthub-2.0.0

Change version to 2.0-rc4

Change version to 2.0-rc3

Change version to 2.0-rc2

Update to 2.0-rc1 release version

release 2.0-beta2 version