* src/GrampsDb/_GrampsXMLDB.py (load_from): Add method.
* src/GrampsDb/_GrampsGEDDB.py (load_from): Add method.
* src/GrampsDb/_GrampsDbBase.py (load_from): Add method.
* src/GrampsDb/_WriteGrdb.py: Use db_copy.
* src/GrampsDb/_DbUtils.py (db_copy): Add function.
* src/ViewManager.py: Save as support.
* src/DataViews/_MapView.py (enable_debug): Set to False to be
able to see the output besides MapView.
svn: r6604