v5.1.5

• feat(dashboard widget): resolves #275, added the ability to control the dashboard widget visibility
• feat(settings): button to quickly override and update settings to zero spam's recommended
• feat(email domains): resolves #246, ability to block disposable and malicious email domains
• perf(sharing): sharing detections optimized
• perf(disallowed list): removed the unused cron to sync disallowed words
• chore(disallowed list): updated to the lastest splorp's disallowed list
• docs(htaccess): added a notice & recommended max number of blocked ips when using .htaccess
• fix(ipinfo): fix for uncaught ipinfo exception