SAK-25695 - Display the full date/time in the gradebook grade log


git-svn-id: https://source.sakaiproject.org/svn/gradebook/trunk@306708 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-25695 - Properties problem in faces-gb


git-svn-id: https://source.sakaiproject.org/svn/gradebook/trunk@306715 66ffb92e-73f9-0310-93c1-f5514f145a0a