Integrated software raid
Refactored crowbar service for better readability
Simplified claiming commands that include save method
Removed regex match and replaced it with a string function
Synced disk claiming with deployer, added crowbar wall initial value
Fixed single disk raid naming
Renamed save_it to transition_save_node
Updated unique device path order

For details you can see the reference here:
https://github.com/crowbar/barclamp-deployer/blob/release/stoney/master/chef/cookbooks/barclamp/libraries/barclamp_library.rb#L320
Merge pull request #923 from tboerger/feature/software-raid

Integrated software raid