First step
fixes
Step 2
CFY-1746 Upgrade nodecellar example
CFY-1746 fix blueprint
CFY-1746 rename
CFY-1746 fix blueprints
Merge branch 'master' into CFY-1746-nodecellar-upgrade

Conflicts:
	openstack-blueprint.yaml
CFY-1746 added docs
CFY-1746 fix doc
CFY-1746 fix README and node names
CFY-1746 fix README and inputs
CFY-1746 fix DiskUsageCollector and added NetworkCollector
CFY-1746 fix scripts and doc
CFY-1746 change url to tar.gz
CFY-1746 more docs
CFY-1745 dummy to trigger build
CFY-1746 added blueprint validation to travis
CFY-1746 fix blueprints and travis
CFY-1746 added uninstall to travis