fix #797.  Installment Period of 1st and 15th for Non-Open ended RD does not work
fix #797.  Installment Period of 1st and 15th for Non-Open ended RD does not work

SalesforceFoundation/Cumulus,cyberjus/Cumulus,jarkos88/Cumulus1,jlantz/Cumulus,BillFlorioSFDC/Cumulus,cdcarter/Cumulus,cdcarter/Cumulus,jlantz/Cumulus,SalesforceFoundation/Cumulus,Zosoled/Cumulus,InspectorSpacetime/Cumulus,ehrenfoss/Cumulus,BillFlorioSFDC/Cumulus,abeyer/Cumulus,abeyer/Cumulus,Zosoled/Cumulus,ehrenfoss/Cumulus,InspectorSpacetime/Cumulus,Zosoled/Cumulus,abeyer/Cumulus,jarkos88/Cumulus1,Zosoled/Cumulus,jlantz/Cumulus,SalesforceFoundation/Cumulus,abeyer/Cumulus,cdcarter/Cumulus,InspectorSpacetime/Cumulus,jarkos88/Cumulus1,ehrenfoss/Cumulus,cdcarter/Cumulus,cyberjus/Cumulus,jlantz/Cumulus,SalesforceFoundation/Cumulus,BillFlorioSFDC/Cumulus,cyberjus/Cumulus,InspectorSpacetime/Cumulus,cyberjus/Cumulus,BillFlorioSFDC/Cumulus