Omeka Classic version 2.6.1

Just released: Omeka Classic version 2.6.1, the first maintenance release for Omeka 2.6.

The headline fixes are for security issues: a CSRF issue reported by Github user @JosiahPierce and an XSS issue reported by Zekvan Arslan of Netsparker.

There are a few other miscellaneous fixes, including bundling of updated plugins resolving some issues with the new HTML editor from 2.6. For full details, see the release notes.