Update contao211 to 2.11.9.
This relase contains fix for CVE-2012-6112(TinyMCE), too.

Version 2.11.9 (2013-02-05)
---------------------------

### Fixed
Support numeric front end dates in the form generator (see #5238).

### Fixed
Support whitespace characters when parsing simple tokens (see #5323).

### Fixed
Allow to run multiple TinyMCE instances with different configurations on the
same page (thanks to Andreas Schempp) (see #4453).

### Fixed
Correctly trigger the "saveNewPassword" hook (see #5247).

### Fixed
Consider the `save_callback` of the password field in `tl_user` when a back end
user is forced to change his password (see #5138).

### Fixed
Do not group standalone lightbox elements on HTML5 pages (see #3742).

### Fixed
Anonymize IP addresses in `Form::processFormData()` (see #5255).

### Fixed
Replaced the 1200 pixel limit when resizing images with the values defined in
the system settings (see #5268).

### Fixed
Make sure there is an array in `Controller::generateMargin()` (see #5217).

### Fixed
More robust input validation in the back end filter menu and no more absolute
paths in error messages printed to the screen (thanks to aulmn) (see #4971).

### Fixed
Unset non-existing fields when restoring versions (see #5219).


(taca)