#1330: Update default generic appdef to better work with non-generic viewer templates
#1330: Update default generic appdef to better work with non-generic viewer templates

jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout