* src/GrampsDb/_GrampsDbBase.py: handle close/delete of active database

* src/DbManager.py: clean up
	* src/DbState.py: issue database-changed signal on db close
	* src/GrampsDbUtils/_GedcomParse.py: fix adding of notes
	* src/DbLoader.py: don't give undo warning if importing into empty db


svn: r8347

src/DbState.py

@@ -86,4 +86,4 @@ class DbState(GrampsDBCallback):
         self.db = GrampsDbBase()
         self.active = None
         self.open = False
-        self.emit('no-database')
+        self.emit('database-changed', (self.db, ))