Log Message:
Update contao41 to 4.1.2, a leaf package.

### 4.1.2 (2016-03-22)

 * Handle derived classes in the exception converter (see #462).
 * Prevent the autofocus attribute from being added multiple times (see \ 
contao/core#8281).
 * Respect the SSL settings of the root page when generating sitemaps (see \ 
contao/core#8270).
 * Read from the temporary file if it has not been closed yet (see contao/core#8269).
 * Always use HTTPS if the target server supports SSL connections (see \ 
contao/core#8183).
 * Adjust the meta wizard field length to the column length (see contao/core#8277).
 * Correctly handle custom mime icon paths (see contao/core#8275).
 * Show the 404 error page if an unpublished article is requested (see \ 
contao/core#8264).
 * Correctly count the URLs when rebuilding the search index (see contao/core#8262).
 * Ensure that every image has a width and height attribute (see contao/core#8162).
 * Set the correct mime type when embedding SVG images (see contao/core#8245).
 * Handle the "float_left" and "float_right" classes in the \ 
back end (see contao/core#8239).
 * Consider the fallback language if a page alias is ambiguous (see \ 
contao/core#8142).
 * Fix the error 403/404 redirect (see contao/website#74).