Set default values for Attribs during template import [1/2]

The role.add_attrib was not storing the values from the import process.  This pull adds that 
feature.


 crowbar_framework/app/models/role.rb               |    9 ++++++---
 .../20130228163800_create_crowbar_deployment.rb    |    8 --------
 .../20130319163800_create_crowbar_deployment.rb    |    8 ++++++++
 .../test/unit/barclamp_node_data_test.rb           |    8 ++++----
 4 files changed, 18 insertions(+), 15 deletions(-)

Crowbar-Pull-ID: b42e0dba6ba371f2500d6076e85d7fedfb456ad0

Crowbar-Release: development