convert ORefVector to use salhelp::SimpleReferenceObject
convert ORefVector to use salhelp::SimpleReferenceObject

instead of hand-rolled code

Change-Id: I56e991c70334cb201a460ea8679be70808451a86

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core