Refs #15.  Convert mock data ids to strings.  Modify loading known_values so we can support multiple collections
Refs #15.  Convert mock data ids to strings.  Modify loading known_values so we can support multiple collections

totalknowledge/angular-demos,totalknowledge/angular-demos,totalknowledge/angular2-launchpad,totalknowledge/angular2-launchpad,totalknowledge/angular-demos,totalknowledge/angular-demos,totalknowledge/angular2-launchpad,totalknowledge/angular2-launchpad