SOL003 VNF Lifecycle Management - Implementation of deltas between v2.6.1 and v2.4.1

This merge request refers to the implementation of deltas between v2.6.1 and v2.4.1 of SOL003 VNF Lifecycle Management Interface.

@lynchpi @aelken @matsuurat @kraja @zulfiqar @uihassan

added MR ready to review label

added MR ready to be merged label and removed MR ready to review label

added 49 commits

• d411a316...0c9f02c2 - 48 commits from branch 2.6.1-dev
• 828b5a61 - Merge branch '2.6.1-dev' into '2.6.1-dev-SOL003-VNFLifecycleManagement-API'

Compare with previous version

merged

mentioned in commit b8f2c0a2