ERP5Type: add get[Category]ShortTitle accessor

Short title is a property quite widely used, and it happens regularly
to display it in listbox. So such access is very convenient to have
by default.

product/ERP5Type/Accessor/Value.py

@@ -198,6 +198,7 @@ def defMethodGetter(key, method=None):
 defMethodGetter('id')
 defMethodGetter('logical_path')
 defMethodGetter('reference')
+defMethodGetter('short_title')
 defMethodGetter('title')
 defMethodGetter('title_or_id')
 defMethodGetter('translated_title')

product/ERP5Type/Core/CategoryProperty.py

@@ -78,6 +78,8 @@ class CategoryProperty(IdAsReferenceMixin('_category'), XMLObject):
       'get%sTranslatedTitleSet': Value.TranslatedTitleSetGetter,
       'get%sReferenceList': Value.ReferenceListGetter,
       'get%sReferenceSet': Value.ReferenceSetGetter,
+      'get%sShortTitleList': Value.ShortTitleListGetter,
+      'get%sShortTitleSet': Value.ShortTitleSetGetter,
       'get%sIdList': Value.IdListGetter,
       'get%sIdSet': Value.IdSetGetter,
       'get%sLogicalPathList': Value.LogicalPathListGetter,
@@ -94,6 +96,8 @@ class CategoryProperty(IdAsReferenceMixin('_category'), XMLObject):
       'get%sTranslatedTitle': Value.DefaultTranslatedTitleGetter,
       'getDefault%sReference': Value.DefaultReferenceGetter,
       'get%sReference': Value.DefaultReferenceGetter,
+      'getDefault%sShortTitle': Value.DefaultShortTitleGetter,
+      'get%sShortTitle': Value.DefaultShortTitleGetter,
       'getDefault%sUid': Value.DefaultUidGetter,
       'get%sUid': Value.DefaultUidGetter,
       'getDefault%sId': Value.DefaultIdGetter,