Log Message:
Update contao to 3.1.4.

Version 3.1.4 (2013-10-14)
--------------------------

### Fixed
Do not show the debug bar in the modal dialog (see #6302).

### Fixed
Ignore the "maxlength" setting in certain form fields (see #6283).

### Fixed
Correctly show the "toggle page status" icon (see #6282).

### Removed
Removed the TinyMCE spell checker (see #6247).

### Updated
Updated TCPDF to version 3.0.38 (see #6268).

### Fixed
Correctly render the pages breadcrumb menu for non-admin users (see #6067).

### Fixed
Correctly handle the accordion fields during the version 3.1 update (see #6229).

### Fixed
Correctly handle special characters in page aliases (see #6232).