* src/DateEdit.py: use global date displayer/parser

* src/DateHandler.py: provide global date displayer/parser
instead of having a bunch of different classes have their
own handler that needs to be updated with the handlers change.
* src/EditPerson.py: use global date displayer/parser
* src/EventEdit.py: use global date displayer/parser
* src/FamilyView.py: use global date displayer/parser
* src/GenericFilter.py: use global date displayer/parser
* src/GrampsCfg.py: remove unused statements
* src/ImageSelect.py: use global date displayer/parser
* src/Marriage.py: use global date displayer/parser
* src/ReadXML.py: use global date displayer/parser
* src/RelLib.py: don't require get_display_info, eliminate
needed for importing const and GrampsCfg
* src/SelectChild.py: don't require get_display_info
* src/Sources.py: use global date displayer/parser
* src/plugins/RelCalc.py: don't require get_display_info


svn: r3841

src/EventEdit.py

@@ -81,8 +81,8 @@ class EventEditor:
         self.plist = []
         self.pmap = {}
 
-        self.dp = DateHandler.create_parser()
-        self.dd = DateHandler.create_display()
+        self.dp = DateHandler.parser
+        self.dd = DateHandler.displayer
 
         values = {}
         for v in elist: