DRY update_attribs to use generic approach, fix checkbox
Merge pull request #70 from cloudedge/pull-req-master-97d4b4b3e4a1c06236531463f23538e8d5e0a367

https://github.com/crowbar/barclamp-chef/pull/70

Merged by devtool for cloudsleuth
Create README.md
Don't call Chef::Role.load where it is not needed.
Merge pull request #71 from VictorLowther/pull-req-master-f28b0c0c0dce9879a7994eaa07e17b3068198e63

https://github.com/crowbar/barclamp-chef/pull/71

Merged by devtool for cloudedge
Only upload json files for data bags.
Merge pull request #72 from VictorLowther/pull-req-master-9bf931c43f32783beebc620aca6a9850a19a3455

+2