Fixed: Strange sorting of columns in Ticket Dashboard widgets (bug#10438).

Squashed commit of the following:

commit bad67bbc8136041540b7841cc31432505a63e6ae
Merge: 1ddbc18 59c85a7
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Fri Apr 4 16:57:07 2014 -0600

    Merge branch 'rel-3_3-b4' of github.com:noritnk/otrs into noritnk-rel-3_3-b4

commit 59c85a7c991c89cd330b8b9127265645597fc104
Author: Norihiro Tanaka <noritnk@kcn.ne.jp>
Date:   Thu Feb 27 23:23:14 2014 +0900

    Define default column order in DashboardTicketGeneric.