Refactoring WIP with model as per discussions and engine migrations (resubmitted #2) [5/7]

This is a preliminary step for refactoring where a lot of old models have been removed
and new ones added.

I'm pulling out old code and migrating to models

crowbar.yml files are starting to change
new jigs/roles templates are in place
dramatically simplifed way docs are discovered
removing old routes that we want to eliminate

STATUS:
YES> database migrations
YES> the web app running 
NO> rspec tests are passing
NO> unit tests are passing
NO> bdd tests are passing
NO> basic UI screens for nodes, roles, barclamps, etc
NO> all core barclamps are updated


 crowbar.yml                                        |   13 ++++++------
 .../app/models/barclamp_chef/barclamp.rb           |   21 --------------------
 .../migrate/20121120013023_barclamp_import_chef.rb |    2 +-
 3 files changed, 7 insertions(+), 29 deletions(-)

Crowbar-Pull-ID: 05affc5047396c514209afe13a4f0835098ecf02

Crowbar-Release: development