minor ui changes, moved legend to the bottom of view calendar, fixed view all button so that it appears only when there is a filter in effect in calendar view
fix calendar view so that the calendar view can be filtered again according to category, fixed the view all so that we include the date querystring so that when you view all you still stay in the month you are currently viewing
fixed an apm callback to set default value for a dotlrn_catalog column, added NotifyApplicantOnRequest parameter to that controls whether applicants receive an email when they apply for a course