changed from last two weeks only to last eight weeks in calculating edges
Merge branch 'production_sensibledtu1k' of https://github.com/MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into production_sensibledtu1k
Merge branch 'production_sensibledtu1k' of https://github.com/MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into production_sensibledtu1k
Audit mongo connection now uses SSL