SAK-26341 availability setting not saved. Patch from Gao Jun


git-svn-id: https://source.sakaiproject.org/svn/announcement/trunk@311242 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-22763 recent announcements not showing site id. Patch from Juan Jose Merono


git-svn-id: https://source.sakaiproject.org/svn/announcement/trunk@311244 66ffb92e-73f9-0310-93c1-f5514f145a0a