Final release of 2.2.0

Added somes fixes to activities

First release candidate of the 2.2.0 release

Important fixes and some small improvements

2.1.0 release. Read the changelog in the CHANGELOG.md file

Small fixes

Small fixes

More fixes on the docker 1.10 & distribution 2.3 versions

Fixed an issue regarding distribution 2.3 support

First patch level release since 2.0.0