Bug 570133 - [Model2Doc][DocumentStructureTemplate] We should be able to
define the behavior if there is not value

* add generateIfEmpty attribute to IBodySectionPartTemplate
* add defaultTextIfEmpty to IBodySectionPartTemplate
* change hierarchy of mappers to be able to add
AbstractBodyPartTemplateToStructureMapper,

Change-Id: I1eedcca57700a8e9181199936caa29037e7f8767
Signed-off-by: Pauline DEVILLE <pauline.deville@cea.fr>
Signed-off-by: Vincent Lorenzo <vincent.lorenzo@cea.fr>
92 files changed