v0.23.0

• #43 Exception is thrown if config yaml element is not an ordered map
• #42 Do version bumping for root component only after "tag" command
• #37 Support Revision information as Environment Variables (like Jenkins)
  • Following env vars are assigned for each build (depending on vcs):
    GIT_COMMIT, GIT_BRANCH, GIT_URL, SVN_REVISION, SVN_BRANCH, SVN_URL
• #31 Use color output
  • Failures and successful executions are colored
• #38 Do not log DONE actions
• #14 Combine mdeps and version commits into one commit enhancement