Clear Containers Release 3.0.10

[jcvenegas]

Change release process, instead create a release candidate we can test the HEAD what will be the last commit using new automated obs package generation we can generate and test commits based on HEAD.

• Test the HEAD commit of the master branch using the tests included in the tests repository.
• Run Coverity Scan on the shim's HEAD commit and ensure no medium or high severity issues are reported.
• Update VERSION in the runtime repository.
• Update the versions of cc-proxy and cc-shim.
  
  (Note that the "phase" element of the project encoded in the version strings needs to match for all components. For example, when a beta is released, the version string for all components should show beta).
• Generate OBS packages based on HEAD.
• Test OBS packages
  • Manual tests
    • Installation tests (must be done for major releases)
      • CentOS
      • Fedora
      • RHEL
      • Ubuntu
    • Package signature test.
  • Automated tests
    • Integration tests included in the tests repository under the integration directory.
• Create an annotated tag for the new release version (required by git describe)
• 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.
• Check if the limitations doc needs updating.
• Post release details on the public mailing list.
• Update public IRC channel with a link to the latest release.