SOL005 NS Performance Management - Implementation of deltas between v3.3.1 and v2.7.1

This merge request refers to the implementation of deltas between v3.3.1 and v2.7.1 of SOL005 NS Performance Management Interface.

@lynchpi @aelken @matsuurat @carignani @sayama @kraja @zulfiqar @zafar

Deadline for review: Thursday 18th March 2021 @6pm CET

Review period elapsed: Approved !!

added MR ready to review label

changed the description

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

added 60 commits

• e7e5e3f1...c3c3d35d - 57 commits from branch 3.3.1-dev
• f834ebff - Added tests for PM Jobs
• 30ca2392 - Added tests for thresholds & updated versions
• fad08b9e - updated schema

Compare with previous version

merged

mentioned in commit 65ad7f78