Log message:
Update contao35 to 3.5.24.

Version 3.5.24 (2017-01-19)
---------------------------

### Fixed
Correctly handle SVGZ files in the file manager (also fixes #8624).

### Fixed
Revert the download element changes (see #8620).

Log message:
Update contao35 to 3.5.23.

Version 3.5.23 (2017-01-17)
---------------------------

### Fixed
Handle non-numeric values when calculating the image margin (see #8617).

### Fixed
Correctly generate the download elements in the back end (see #8620).

Version 3.5.22 (2017-01-16)
---------------------------

### Fixed
Prevent an endless redirect loop if the page alias is "/" (see #8560).

### Fixed
Correctly parse German dates with two digit years in MooTools (see #8593).

### Fixed
Correctly add new resources to the user/group permissions (see #8583).

### Fixed
Trigger the auto-submit function in the date picker (see #8603).

### Fixed
Call the load callback when loading page/file picker nodes (see #7702).

Log message:
Update contao35 to 3.5.21.

Version 3.5.21 (2016-12-29)
---------------------------

### Updated
Update SwiftMailer to version 5.4.5 (fixes CVE-2016-10074).

Log message:
Restrict supported PHP versions to the list of security/php-mcrypt.

Log message:
Update contao35 to 3.5.20 which includes potential XSS security problem.

Version 3.5.20 (2016-12-19)
---------------------------

### Fixed
Correctly show running repeated events in the event list (see #8588).

### Fixed
Improve the PHP 7.1 compatibility.

### Fixed
Keep the root nodes order in the page selector (see #8577).

### Fixed
Do not output invalid option values in widget error messages (see #8594).
Thanks to Pascal Gerundt for finding and reporting the issue.

### Fixed
Correctly parse english dates in MooTools (see #8573).

Log message:
Update contao35 to 3.5.19.

Version 3.5.19 (2016-11-16)
---------------------------

### Fixed
Only evaluate `hasDetails()` and `hasText()` upon the first call.

### Fixed
Cache the `PageModel::findPublishedFallbackByHostname()` results (see #8544).

### Fixed
Correctly redirect to the website root page (see #8552).

### Fixed
Continue rebuilding the search index if there are errors (see #8541).

Log message:
Update contao35 to 3.5.18.

It also welcome back to Danish and Slovenian.

Version 3.5.18 (2016-10-25)
---------------------------

### Fixed
Correctly "toggle select" nodes that are loaded via Ajax (see #8535).

### Fixed
Show running events in the event list again (see #8497).

### Fixed
Correctly calculate the maximum length of tl_files.name (see #8536).

### Fixed
Correctly add the headline if a content element is versionized (see #8502).

### Fixed
Optimize the DCA sorting filter for date fields (see #8485).

### Fixed
Do not show version entries of deleted files (see #8480).

### Fixed
Redirect the empty URL depending on language and alias name (see #8498).

### Fixed
Apply `specialchars()` to widget attributes (see #8505).

### Updated
Updated the Ace code editor to version 1.1.9.

### Fixed
Handle special characters in passwords when creating an admin user (see #8512).

### Fixed
Queue the requests when rebuilding the search index (see #8449).

Log message:
Update contao35 to 3.5.17.  This is a leaf package.

Version 3.5.17 (2016-09-20)
---------------------------

### Fixed
Handle special character passwords in the "close account" module (see \ 
#8455).

### Fixed
Handle broken SVG files in the Image and File class (see #8470).

### Fixed
Reduce the maximum field length by the file extension length (see #8472).

### Fixed
Fall back to the field name if there is no label (see #8461).

### Fixed
Do not assume NULL by default for binary fields (see #8477).

### Fixed
Correctly render the diff view if not the latest version is active (see #8481).

### Fixed
Update the list of countries and languages (see #8453).

### Fixed
Correctly set up the MooTools CDN URL (see #8458).

### Fixed
Also check the URL length when determining the search URL (see #8460).

### Fixed
Only regenerate the session ID upon login.

Log message:
Update contao35 to 3.5.16.

Version 3.5.16 (2016-09-05)
---------------------------

### Fixed
Check if a reader page is protected when generating a sitemap (see #8416).

### Fixed
Support all characters but =!<> and whitespace in simple tokens (see #8436).

### Fixed
Check the user's permission when generating links in the picker (see #8407).

### Fixed
Handle forward pages without target in the navigation modules (see #8377).

### Fixed
Stop the event recurrence if the upper boundary is reached (see #8445).

### Fixed
Show upcoming events if the first occurrence is in the past (see #8447).

### Updated
Update MooTools to version 1.5.2.

### Fixed
Provide the same template variables for downloads and enclosures (see #8392).

### Fixed
Handle %n when parsing date formats (see #8411).

### Fixed
Fix the module wizard's accessibility (see #8391).

### Fixed
Correctly initialize TinyMCE in sub-palettes in Firefox (see #3673).

### Fixed
Validate form field names more accurately (see #8403).

### Fixed
Correctly show the ctime, mtime and atime of a folder (see #8408).

### Fixed
Correctly index changed pages (see #8439).

### Fixed
Always store the UUID of an uploaded file (see #8421).

Log message:
Update contao35 to 3.5.15, including fix for CVE-2016-4567.

Version 3.5.15 (2016-07-15)
---------------------------

### Fixed
Strip soft hyphens when indexing a page (see #8389).

### Fixed
Update mediaelement.js to version 2.21.2 (fixes CVE-2016-4567).