Remove GetTableData in UserList

GetTableData is deprecated and should be removed. I hope it's correctly done in master branch.
Solved CacheKey issue in UserList
Fixed bug#9358 - Date/Time DynamicFields are broken in CustomerInterface.
Fixed file permissions.
Fixed bug#9384 - Problem with Method ServiceParentsGet of ServiceObject.
Fixed changelog entry.
Fixed postmaster filter edit screen layout.
Fixed bug#9374 - Add more functions to rich text editor.

Squashed commit of the following:

commit 4922d243205355d20cf6a92e5bfb6252db98ebb5
Author: Marc Nilius <marc.nilius@otrs.com>
Date:   Tue Apr 30 14:24:51 2013 +0200

    Removed possibilty to resize horizontically.

commit a546a82ca68f05002450f22ccffeefa1c65e239d
Author: Marc Nilius <marc.nilius@otrs.com>
Date:   Tue Apr 30 14:24:25 2013 +0200

    Reverted changes for resize event.

commit 31d3b72c9663301014621a85727c14d1538053a7
Author: Marc Nilius <marc.nilius@otrs.com>
Date:   Tue Apr 30 13:03:52 2013 +0200

    Added CKEDITOR js event to handle horizontal scrolling.

commit ebcfdbe55fe569411a87cfe817c6a7a9a644a7b3
Author: Marc Nilius <marc.nilius@otrs.com>
Date:   Tue Apr 30 11:45:14 2013 +0200

    Added new options/icons to CKEDitor.
Added possibility to specify relative dates for X-OTRS-FollowUp-State-PendingTime in postmaster filters.
Also allow relative values for X-OTRS-State-PendingTime.
Added tests.
Code optimization, use API instead of direct DB query.
Fixed file permissions.
git checkout should have var/spool directory for unit tests
Tidied, fixed POD issues.
$SessionID already contains a semicolon.
Remove <base> tag from HTML in articles.

Fixes bug#8880 - No inline image shown if HTML email contains 'base' tag
http://bugs.otrs.org/show_bug.cgi?id=8880

The <base> attribute breaks any <img> tags pointing to relative sources.
This is the case in some mails generated by MS Outlook. In that case
the inline images do not show.
Removed duplicate semicolons from tests.
Fixed typo.
Fixed generation of random ID in sender string.
Add hyperlink to article