Squashed commit of the following:

commit d218df4365f7f1f54419e21fe05db820178989a1
Merge: 38f9b50 92de093
Author: Marc A. Bonsels <marc.bonsels@otrs.com>
Date:   Thu Feb 13 09:14:39 2014 +0100

    Merge branch 'rel-3_3_#bug7818' of https://github.com/s7design/otrs into s7design-rel-3_3_#bug7818

commit 92de0932387c32ae5015e48e692e094d20cff1ed
Author: s7design <otrs@s7designcreative.com>
Date:   Mon Feb 3 13:03:48 2014 +0100

    Added checking group of items in Ticket Menu

commit 33f257ff31ac6b597655e27335d1fa7732ff5ef4
Author: s7design <otrs@s7designcreative.com>
Date:   Mon Feb 3 00:49:10 2014 +0100

    [Bug 7818] Menu simplification is not working for item "responsible"

    Added checking groups for initialization menu items for ticket in AgentTicetZoom View.