Made sorting on alarm and recurrence possible in listview.
Made sorting on alarm and recurrence possible in listview.

svn path=/trunk/kdepim/; revision=312200

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi