Signup abuse detection and blocking 1.20.4

• Require StandardLib v1.22.0+
• Improve XF cloud compatibility
• Re-add XF2.1 support
• Update Country language/timezone anti-spam option example text to be explicit that is supports wildcards
• Fix 'Country language - Unknown' did not reliably apply non-zero scores
• Do not skip country language tests if the country is unknown, instead use XX as the country

• Fix rare internal server error on XF2.3 after deleting a user

• Fix pagination of on user profile multiple accounts tab
• Fix compatibility with "Login as User (LAU2)", by disabling multi-account checking when using that add-on

• Fix "manage anti-spam" admincp option didn't allow saving options when the user didn't have the "manage options" admin permission

• Fix "[E_WARNING] Attempt to read property "LogEvent" on false" when no logs are fetched for a multi-account tracking event

• Fix missing phrase on XF2.3 about starting a conversation about multi-account usage
• Fix updating MaxMind key would fail if the "Update MaxMind databases" option was not set

• Fix typo in template modification title
• Fix options "Country timezone rules" and "Country language rules" would get reset if the add-on rebuild was triggered

• Fix maxmind files did not update when setting the license key

• Fix "Ip geolocation content spam check action" option would throw all posts into the approval queue if resolving the ip geolocation failed
• Fix "Ip geolocation content spam check action" unexpectedly send posts to the approval queue if no geoip providers had been configured but Team Cymru's API for ASN lookups which gets an approximate country lookup
• Add "test resolving ip geolocation" and "test resolving asn" pages for troubleshooting IP lookup issues

• Fix cloudflare ip geolocation failing for content anti-spam checks
• Fix new multi-account reports where created with the wrong user