Log Message:
Update to 2.2.3:

Bugzilla bugs fixed (see http://bugzilla.gnome.org/show_bug.cgi):

 * Mail
   #273752 - Dragging folder from Maildir spool account to 'On This Computer'
             crashes Evolution  (Michael Zucchi)

 * Calendar
   #301350 - alarms totally unreliable (Rodrigo Moya)
   #274406 - alarm notify crasher (Chenthill)
   #274476 - File ->Open Appointments, opens meeting as appointment (Chenthill)

 * Plugins
   #274366 - Received a mail with multiple address.
             crash clicking reply all (Sushma)

 * Others
   - Kill evolution-data-server-1.2 in kill_data_server (Frederic Crozat)
   - just return in itip_send_comp if backend can handle sending requests
     (Harry Lu)
   - fix some addressbook leaks (Ross Burton)

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