Update role parsing code to fit new jig layout in crowbar.yml
Update jigs section in crowbar.yml to make it more regular.
Merge pull request #592 from VictorLowther/pull-req-master-7cee270d26028674aca1cf97f1b729c3ce66b26f

https://github.com/crowbar/barclamp-crowbar/pull/592

Merged by devtool for cloudedge