Antispam by CleanTalk 2.9

• Version number fixed.

• Fix: check sfw_temp table before insert.
• Fix: E_DEPRECATED exception in Cleantalk.php.
• Fix: http__get_headers() renamed to httpGetHeaders() and fixed.
• Fix: Cron. Fix: Cron. Cron last start flag improved.
• Fix: drop if exists.
• Fix. SFW log query fixed.

CleanTalk/xenforo2-antispam

Fix XF 2.1 issues.
Fix: sending logs.
Fix: Add script uri to basehost.
Fix: RC for subfolders fixed.
Fix: missing response class in cleaner.
Fix: Server url option fixed.
Fix: Spam Cleaner fixed.
Fix: SFW updating moved to a separated flow.
Fix: Backward compatibility for Xenforo 2.0.