Remove orphaned factors on deleteVariable!#371

Merged

Affie merged 4 commits intomasterfrom feature/20Q1/orphans296

May 3, 2020

+56-15

Commits on Mar 30, 2020

remove orphaned factors with deleteVariable! close #296
Affie
committed

Commits on Mar 31, 2020

CloudDFG remove orphaned factors
Affie
committed

Commits on May 3, 2020