wrap print and discard links in spans so that they can be more easily accessible to form javascript

wrap print and discard links in spans so that they can be more easily accessible to form javascript. the reason for this is that when an htmlform is being used as a parent form in an htmlformflowsheet patient chart, 'discard changes' doesn't really make sense because when you add a row to a flowsheet, this gets written to the database before you leave the parent form...