Stable 2.1.0

Changelog

• Fix XSS security vulnerability with DataTables
• Add DataTables integration for user and link tables
• Add user creation and user edit features to the admin panel
• Remove vendored files -- composer is now required to use Polr
• Other bug fixes and improvements

Known bugs

• #264 affects PHP version 5.5.9; fixed in 2.1.1

Upgrading

• Ensure your dependencies are up to date by running composer install --no-dev -o