Use baremetal-interface-add, not baremetal-add-interface

Since nova doesn't have such subcommand.

Change-Id: I3c99de38f959418f82d45078c7784ba6ab60c383
Formatting cleanups and simple stuff

Change-Id: Ica8298353be22f947c8e8a03d8dc29ded9cb26dd
Merge branch 'functions-update' into dt-test
Merge branch 'pretty-up' into dt-test