Create jig node objects at Crowbar node creation time. [1/2]

This pull request has the jigs create their node-tracking data when the Crowbar node is created.  It is a stepping stone for getting jig intergration working and in a testable state.


 .../app/controllers/nodes_controller.rb            |    8 ++++----
 .../app/models/barclamp_crowbar/barclamp.rb        |   18 ++----------------
 2 files changed, 6 insertions(+), 20 deletions(-)

Crowbar-Pull-ID: c1c307fd7ac1856a404ad63427f3801f2feafefa

Crowbar-Release: development