Fix #12656. Make event shorthands excludable.
Fix #13315 for IE9: compare typeof xmlNode.method to var instead of literal "undefined" for safer uglification
(cherry picked from commit ec9b38a34fb9bd81d1903cf12b69466f699abca5)
Fix #13150, .has() w/o args checks for any callbacks. Close gh-1111.
Update author list.