Fixed: Eventbased notification - infinite loop (bug#10441).
Squashed commit of the following:

commit 25aa0ba23df7b5e9f730393c8e038fc222cb1ca3
Author: s7design <otrs@s7designcreative.com>
Date:   Tue Apr 15 15:02:15 2014 +0200

    it have corrected mistakes since earlier

commit d203b8ff7d820faae4d7cea73894c2ecd18e9c0c
Author: s7design <otrs@s7designcreative.com>
Date:   Tue Apr 15 14:26:18 2014 +0200

    .

commit a27fe1ff7342abe6b0ff930ba7c324102245da91
Author: s7design <otrs@s7designcreative.com>
Date:   Tue Apr 15 14:21:57 2014 +0200

    http://bugs.otrs.org/show_bug.cgi?id=10441
    http://bugs.otrs.org/show_bug.cgi?id=10428

    Change logic, article filter is applied also for ArticleSend
    If is selected ArticleCreate or AricleSend event, article filter is mandatory,
    at least one of the article filter fields

commit f0fb989ba1fd4c835ab8bd0469082bf3712e3041
Merge: f4c6945 155f17c
Author: root <root@ubuntu.(none)>
Date:   Tue Apr 15 12:56:32 2014 +0200

    Merge remote-tracking branch 'upstream/master'

commit f4c69450304ed5d8c528ab9a942bc4b3ce98ae39
Merge: 048f401 4dce8c3
Author: root <root@ubuntu.(none)>
Date:   Fri Apr 11 15:57:43 2014 +0200

    Merge remote-tracking branch 'upstream/master'

commit 048f401be5dd9b1c4f73c67644fb81f81a93bbc1
Merge: 7da2cc6 1615ab6
Author: root <root@ubuntu.(none)>
Date:   Thu Apr 3 14:29:39 2014 +0200

    Merge remote-tracking branch 'upstream/master'

commit 7da2cc611739cd85058e1f81bb7b24538e2e71a9
Merge: 8ee1637 7c2ffb2
Author: root <root@ubuntu.(none)>
Date:   Wed Apr 2 16:36:58 2014 +0200

    Merge remote-tracking branch 'upstream/master'

commit 8ee1637398cc1037277e842756d2ac5eeac6efdc
Merge: 8706657 41b735f
Author: root <root@ubuntu.(none)>
Date:   Tue Apr 1 14:35:54 2014 +0200

    Merge remote-tracking branch 'upstream/master'

commit 870665735a3f4380b437052d136bf102e87a5449
Merge: 001c073 a4e45a0
Author: root <root@ubuntu.(none)>
Date:   Tue Apr 1 09:22:16 2014 +0200

    Merge remote-tracking branch 'upstream/master'

commit 001c073637703e92f125eff0cd8a30d5fbd996a6
Author: s7design <otrs@s7designcreative.com>
Date:   Fri Mar 28 08:54:23 2014 +0100

    back to original version in master brench

commit ff1ee37d205c849e94315a069beeddcb2e062165
Merge: aff6dbb a7a2d13
Author: root <root@ubuntu.(none)>
Date:   Thu Mar 27 16:32:26 2014 +0100

    Merge remote-tracking branch 'upstream/master'

commit aff6dbb28f9c815ced086fc2846c41c87b36992a
Author: s7design <otrs@s7designcreative.com>
Date:   Wed Mar 26 17:35:46 2014 +0100

    [Bug 10320] PostMaster Filter // possibility to Set more Email Headers
    Changed the logic in the .tt file to not duplicate the code for every
    field. Now, the fields are created in loop.