import the document properties before the document
import the document properties before the document

That allows us to potentially change the import depending on the
producer of the document.

This becomes necessary to handle MSO 2007 chart drawingml streams
correctly.

Change-Id: I9be8b019fae69cd206203591982a89648965692f

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