Release 2.2.0

[jcvenegas]

We are releaseing 2.2.0 after a mayor change is added to the runtime:

• Devicemapper as block device in Clear Containres VM Devicemapper storage #997

• The change has to be tested with devicemapper and overlayfs

• The change has to pass all the tests in Ubuntu Fedora and CentOS.

• Image and kernel has to be upated.

• Test the HEAD commit of the master branch using the tests included in the source code within the tests/ directory.

• Run Coverity Scan on HEAD commit and ensure no medium or high severity issues are reported.

• Update versions.txt with package versions used by the release and the cc-oci-runtime.

• Generate OBS packages based on HEAD.

• Test OBS packages

  • Manual tests
    • Installation test.
    • Package signature test.
  • Automated tests
    • Integration tests included in the source code under the tests/integration directory.

• Update configure.ac with the cc-oci-runtime version tagged.

• Tag release using new version.

• Write release notes:

  • Brief summary of known issues, pointing to the appropriate Issues/PRs.
  • Version of Docker (ideally range of versions, or "up to version X") supported by the release.
  • Version of the OCI spec (ideally range of versions, or "up to version X") supported by the release.
  • Version of Clear Container image used by the release.
  • Add links to Installation instructions.
  • Document any common vulnerabilities and exposures (CVEs) fixed with links to the CVE database.

• Post release details on the public mailing list.

• Update public IRC channel with a link to the latest release.

[jcvenegas]

Depends on #997 #1002