updating documentation

oops, forgot this comment
merge deployment role into populate node role into
working towards delayed job
you can add new roles to deployments
Merge pull request #659 from cloudedge/pull-req-master-fe06f2708903a8015921f6660ccac07054ef250a

https://github.com/crowbar/barclamp-crowbar/pull/659

Merged by devtool for cloudedge