* src/Utils.py: Remove obsolete code.
* src/DisplayTabs.py (EventRefModel.column_role): Adapt to new types.
* src/PeopleModel.py: Adapt to new types.
* src/plugins/TestcaseGenerator.py: Adapt to new types.
* src/RelLib/Makefile.am: Ship new files.
* src/RelLib/_EventRef.py: Adapt to new types.
* src/RelLib/_PrimaryObject.py: Adapt to new types.
* src/RelLib/_EventRoleType.py: Add new module.
* src/RelLib/_RepoRef.py: Adapt to new types.
* src/RelLib/_MarkerType.py: Add new module.
* src/RelLib/_Family.py: Adapt to new types.
* src/RelLib/_Person.py: Adapt to new types.
* src/RelLib/_SourceMediaType.py: Add new module.
* src/RelLib/__init__.py: Expose new modules.
* src/Editors/_EditPerson.py: Use new type.
* src/GrampsDb/_GrampsBSDDB.py (gramps_upgrade_9): Adapt to new types.
* src/GrampsDb/_ConstXML.py: Comment out obsolete code.
* src/GrampsDb/_ReadXML.py: Adapt to new types.
* src/GrampsDb/_GrampsDbBase.py (commit_person): Properly use marker.
* src/GrampsDb/_ReadGedcom.py: Adapt to new types.
* src/DataViews/_FamilyView.py (write_relationship): Use new type.
* src/DataViews/_PedigreeView.py (format_relation): Use new type.
svn: r6372
