add support for no families or parents
* src/GrampsDb/_GrampsBSDDB.py: txn handling for get_handles
* src/GrampsDb/_GrampsDbBase.py: txn handling for get_handles
* src/GrampsDb/_GrampsGEDDB.py: txn handling for get_handles
* src/GrampsDb/_GrampsXMLDb.py: txn handling for get_handles
svn: r5707
* src/PeopleModel.py: don't access db maps directly
* src/FamilyView.py: add gender symbol to primary person
* src/GrampsDb/_GrampsBSDDB.py: provide access functions to avoid
redirect map access
* src/GrampsDb/_GrampsDbBase.py: provide access functions to avoid
redirect map access
* src/GrampsDb/_ReadGedcom.py: don't access db maps directly
svn: r5689
made no in the editor.
* src/EventEdit.py: Use combined mapping for all events.
* src/FamilyView.py: Proper display of child relations.
* src/Marriage.py: Commit events; properly call common event/ref
editor.
* src/Utils.py: Minor.
svn: r4813
* src/Utils.py: Move constant mappings from const.py.in
* src/const.py.in: Move constants and mappings elsewhere.
* various: Use constants from RelLib, not const.
svn: r4736
* src/FamilyView.py: Support for event references.
* src/ListBox.py: Support for event references.
* src/PedView.py: Support for event references.
* src/RelLib.py: Support for event references.
svn: r4700
* src/DdTargets.py: added PERSON_LINK_LIST target.
* src/FamilyView.py: corrected bug when person is droped if there is no current
family.
* src/PeopleView.py: enabled dnd of lists of people.
* src/plugins/ScratchPad.py: support lists of people.
svn: r4308
* src/PedView.py: Connect to "database-changed" signal and handle person-update signals to redraw the view.
* src/FamilyView.py (__init__) connect to database-changed signal, dont call change_cb because on initialisation there is no real database. (change_db): use database parameter supplied by signal emission.
* src/PeopleView.py (__init__) dont connect the signals, this will be done by change_db, (change_db): Use supplied database.
* src/SourceView.py (__init__): dont call change_cb because on initialisation there is no real database and this will be done by the signal.
svn: r4304
* src/plugins/ScratchPad.py: made clear buttons sensitive to contents of
list and current selection. Added support for PERSON_LINK dnd.
* src/DdTargets.py: added PERSON_LINK target and simplified generation of
targets lists.
* src/FamilyView.py: added dnd of person handles to and from the child list.
* src/PeopleView.py: added dnd of person handles from the person list.
svn: r4303
* src/FamilyView.py: fix update of child pointers after add
* src/PeopleView.py: unselect previous entry on new goto_active_person
* src/MediaView.py: pass handle instead of GRAMPS ID during drag-n-drop
svn: r4296
