Log Message:
Update to 2.1.5
[jan] Fix character set encoding of exported vCalendar/iCalendar data.
[jan] Fixed MS-SQL driver (Bug 5088).
[jan] Add Catalan translation (Jordi Giralt <projecte.k2@upcnet.es>).
[jan] Fix searching for non-ascii strings (Bug 4773).
[cjh] Display partial hours in free/busy view (cbs@cts.ucla.edu,
      Request 4755).
[cjh] Honor date_format preference in reminders and notifications (Bug 4726).