CDMB progress - cmdb_chef to chef barclamp, cmdb test fixes [1/2]

Additional info in the individual commits


 crowbar.yml                                |    2 +-
 crowbar_framework/app/models/barclamp.rb   |    2 +-
 crowbar_framework/app/models/cmdb.rb       |   79 +++++++---------
 crowbar_framework/app/models/cmdb_chef.rb  |   92 -------------------
 crowbar_framework/spec/models/cmdb_spec.rb |  137 +++++++++++++---------------
 5 files changed, 101 insertions(+), 211 deletions(-)

Crowbar-Pull-ID: 33d5ba0a8e9efe8a6125d594de548d6c58812b59

Crowbar-Release: development