handles
* src/WriteGedcom.py: save CHAN records
* src/WriteXML.py: save handles and time stamps
* src/GrampsDbBase.py: make the find_xxx_from_handle functions
consistent and correct (handle ids correctly)
* src/DisplayModels.py: add last change column
* src/PeopleModel.py: add last change column
* src/PeopleView.py: add last change column
* src/MediaView.py: add last change column
* src/SourceView.py: add last change column
* src/EditPerson.py: display last change timestamps
* src/EditPlace.py: display last change timestamps
* src/Marriage.py: display last change timestamps
* src/ReadXML.py: set last change time
* src/gramps.glade: updates for last change display
svn: r3498
* src/DisplayModels.py: filtering support
* src/GenericFilter.py: filtering support
* src/PeopleModel.py: support for filtering
* src/PeopleView.py: support for filtering
* src/RelLib.py: filtering support
* src/Utils.py: filtering support
* src/gramps.glade: remove invert for filters
* src/gramps_main.py: filtering support
svn: r3114