Interm Berkshelf support [5/6]

These changes get things to the point where there is a centralized
berkshelf so that we only need to check in 1 copy of the upstream cookbooks


 crowbar.yml                                        |    1 +
 .../barclamp_chef/app/models/barclamp_chef/role.rb |   34 ++++++++++++++++++++
 .../app/models/barclamp_chef/solo_jig.rb           |   14 +++++++-
 3 files changed, 48 insertions(+), 1 deletion(-)

Crowbar-Pull-ID: 651b5e8f8b7dd85967f4ecf104c8b44082568c45

Crowbar-Release: development