change to get_attrib and set_attrib to avoid confusion with attrib_* behavior
update attribute adds to include DMI attribs
yikes...down the rabbit hole.  check point save
all tets passing, mid-refactor
fix barclamp graph and BDD tests
include picture
Merge pull request #370 from cloudedge/pull-req-master-9613cfb08bb606d5fd1dd14d67b9ed03202a05dd

AttribInstance refactoring checkpoint added RoleInstance (all tests passing) [1/1]