-Make embedded text documents exported by analogy with spreadsheet
embedded documents.
-Convert MS ole objects to LO sepcific objecst to allow
exporting those ole objects too.

Plus use gb_CppunitTest_use_rdb instead of wasting time on
finding out which missing components cause test failing.
Especcially when we have platform dependent components
(e.g. related to embedded object)

Change-Id: Ic76d659b51274777a1669c215344a1169ebcba81