fixes #297 - add build version printing from crowbar.yml
Relies on build tools update and rpms.  Setting info in
crowbar.yml will populate the fields.
git:
  commit: hash
  date: commit date
build_version: build string
Update bdd tests for new build_version
Update copyright
Merge pull request #316 from galthaus/add-build-version

+2 fixes #297 - add build version printing from crowbar.yml