OF-600: When replacing code during a refactoring, old public references should remain (but marked deprecated) to allow third party code time for migration.
OF-617: Updated usage of time formatting to the new Date and Time formatting class.
Both changes should allow Fastpath to compile properly again.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@13476 b35dd754-fafc-0310-a699-88a17e54d16e