Merge branch '2.6.1-dev-SOL002-VNFPerformanceManagement-API' into '2.6.1-dev'
SOL002 VNF Performance Management - Implementation of deltas between v2.6.1 and v2.4.1 See merge request !90
SOL002 VNF Performance Management - Implementation of deltas between v2.6.1 and v2.4.1 See merge request !90