add reCAPTCHA to login / registration forms

[louking]

See

• https://wordpress.org/plugins/google-captcha/
• http://www.wpbeginner.com/plugins/how-to-stop-spam-registrations-on-your-wordpress-membership-site/
• https://wordpress.org/plugins/advanced-nocaptcha-recaptcha/

[louking]

2018-06-22 07:32 install / activate plugin Advanced noCaptcha & invisible Captcha 2.5 recaptcha API configured in https://www.google.com/recaptcha/admin#list - lou.king@steeplechasers.org