v3.0.0

Complete rewrite of the bundle, now fully integrated with Symfony's security component.

See the upgrade instructions to upgrade from 2.x to 3.x.

Release highlights:

• Two-factor authentication can be configured per firewall.
• Many issues caused by the old implementation are solved now.
• Implementing your own two-factor authentication method has become easier than ever.
• The bundle provides the hooks for brute-force protection.
• More flexibility: Nearly every part of the bundle can be customized.

This release drops support for PHP5 and Symfony <3.4.