customer statistics (itacloud-2527)
usage statistics (itacloud-2527)
resource stats (itacloud-2527)
aggregation by customer or project or porject_group was added to usage stats (itacloud-2527)
docs for statistics (itacloud-2527)
Merge branch 'develop' of code.opennodecloud.com:nodeconductor/nodeconductor into feature/itacloud-2527
removed misprint in statistics docs (itacloud-2527)
Expose auth_url in read serializer
Unpack credentials into a kwargs
merge with current develop
openstack resource statistics tests corrected
merge with pulled itacloud-2527(itacloud-2527)
auth url added to expected public fields
Merge branch 'feature/itacloud-2527' into 'develop'

Feature/itacloud 2527