added comp property for totaling offering durations.
added comp property for totaling offering durations.

stopfstedt/frontend,gboushey/frontend,dartajax/frontend,thecoolestguy/frontend,thecoolestguy/frontend,ilios/frontend,gabycampagna/frontend,dartajax/frontend,stopfstedt/frontend,jrjohnson/frontend,gboushey/frontend,djvoa12/frontend,gabycampagna/frontend,jrjohnson/frontend,djvoa12/frontend,ilios/frontend