Update to latest provisioner.json format (bnc#895086)
Merge pull request #2072 from jsuchome/provisioner_repos

Update to latest provisioner.json format (bnc#895086)
Removed trailing whitespaces
Removed chef rabbitmq credential creation

I have removed the chef rabbitmq-server credential creation because it
will be done within the chef init process now.
Prevent deprecation message from i18n gem
Fixed rake calls and added bootstrap navi renderer
Added secret base key generation
Writing rails env file for sectret key
Added json-read script and added it to installer