tidy up POTFILES.* (add recently translatable modules, etc.)

po/POTFILES.skip

@@ -129,43 +129,34 @@ gramps/gen/filters/rules/note/__init__.py
 # gen lib API
 #
 gramps/gen/lib/__init__.py
-gramps/gen/lib/address.py
 gramps/gen/lib/addressbase.py
 gramps/gen/lib/attrbase.py
-gramps/gen/lib/attribute.py
 gramps/gen/lib/baseobj.py
-gramps/gen/lib/gcalendar.py
-gramps/gen/lib/childref.py
 gramps/gen/lib/citationbase.py
 gramps/gen/lib/const.py
 gramps/gen/lib/datebase.py
+gramps/gen/lib/gcalendar.py
 gramps/gen/lib/genderstats.py
 gramps/gen/lib/ldsordbase.py
-gramps/gen/lib/location.py
 gramps/gen/lib/locationbase.py
 gramps/gen/lib/mediaobj.py
 gramps/gen/lib/mediabase.py
-gramps/gen/lib/mediaref.py
 gramps/gen/lib/notebase.py
-gramps/gen/lib/personref.py
 gramps/gen/lib/placebase.py
 gramps/gen/lib/primaryobj.py
 gramps/gen/lib/privacybase.py
 gramps/gen/lib/refbase.py
-gramps/gen/lib/reporef.py
 gramps/gen/lib/researcher.py
 gramps/gen/lib/secondaryobj.py
 gramps/gen/lib/serialize.py
 gramps/gen/lib/srcbase.py
 gramps/gen/lib/srcref.py
-gramps/gen/lib/styledtexttag.py
 gramps/gen/lib/tableobj.py
 gramps/gen/lib/tagbase.py
 gramps/gen/lib/test/date_test.py
 gramps/gen/lib/test/grampstype_test.py
 gramps/gen/lib/test/merge_test.py
 gramps/gen/lib/test/schema_test.py
-gramps/gen/lib/url.py
 gramps/gen/lib/urlbase.py
 #
 # gen.merge package