instance licenses statistics (ITACLOUD-2355)
tests for instance licenses statistics (ITACLOUD-2355)
TODO added (ITACLOUD-2355)
Merge branch 'develop' of code.opennodecloud.com:nodeconductor/nodeconductor into feature/itacloud-2355
get queryset unittest removed (ITACLOUD-2355)
licenses statistics docs (ITACLOUD-2355)
Merge branch 'feature/itacloud-2355' into 'develop'

Feature/itacloud 2355

https://jira.nortal.com/browse/ITACLOUD-2355