Merge pull request #16 from crowbar/release/pebbles/master

Release/pebbles/master
Merge pull request #17 from crowbar/release/pebbles/master

Release/pebbles/master
Merge pull request #18 from crowbar/release/pebbles/master

pull last changes
add different roles for each component (api, scheduler, volume)
take password to database from cinder-api node for cinder-volume
reject admin node in UI for deploy components
Merge pull request #41 from MirantisDellCrowbar/feature/DCB-125/pebbles/master

https://github.com/crowbar/barclamp-cinder/pull/41

Merged by devtool for cloudsleuth