Bug 570290 - [Model2Doc] A cell could contain a generated file

* Modify document structure model
** add IGeneratedFile and InsertedGeneratedFile
** add FileReferenceCell
* Implementation in DocxTranscription and in ODTTranscription

Change-Id: I5a53af8e5cd7b184e753bcffa90c497fc26038b4
Signed-off-by: Pauline DEVILLE <pauline.deville@cea.fr>
Signed-off-by: Vincent Lorenzo <vincent.lorenzo@cea.fr>
71 files changed