Allow jigs to do nothing, successfully. [1/1]

This allows us to start testing the noderole state machine, write the annealer, and get to work bootstrapping chef-server.

 .../app/models/barclamp_crowbar/jig.rb             |   16 ++++++++++++++++
 crowbar_framework/app/models/jig.rb                |    8 ++++++++
 crowbar_framework/app/models/node_role.rb          |    6 ++++++
 3 files changed, 30 insertions(+)

Crowbar-Pull-ID: d77471cb3d047446bc81454717d2e028dd5bd3f7

Crowbar-Release: development