WPMU DEV - WP Defender Pro 5.1.1

Fix: Prevent Information Disclosure corrupts htaccess code

Fixed License: Some pro features wasn't enabled

Fix: permanent ban on 404 lockouts now sends correct email.
Fix: IP lockout logs not showing correct results/order on different pages.
Fix: IP lockout logs showing wrong badge for 404 lockouts.
Fix: 2FA not working properly when using Sensei plugin.
Other minor enhancements and fixes.