CSIT-986: Implement proposed MDR improvements

+ Use first intermediate with goal in initial phase.
+ Measure above MRR if that got zero loss.
+ Always prioritizes NDR in internal search.
+ Rename classes.
+ Copy code for standalone PyPI publishing.
- Original files will be deleted after publish.

Change-Id: I5169d602d1e5e35a1894645cd52e70d791871608
Signed-off-by: Vratko Polak <vrpolak@cisco.com>