Tagging 2.7.2 release on 2.7.x release branch

Tagging 2.7.1 release on 2.7.x release branch

Tagging 2.8.0-dev on master

Tagging 2.7.0 release on 2.7.x release branch

Testing

Tagging 2.6.0 release on 2.6.x release branch

Hmm

Tagging 2.6.0-dev on master

Tagging 2.5.2 release on 2.5.x release branch

Tagging for further development