Patch Release 2.1.4
- Fix: Sanitize extension argument
- Fix: Use Memcached server from config for Nginx rules instead of localhost
- Fix: Allow more characters in CDN hostname sanitization
- Fix: Added missing text domains for Browser Cache settings
- Fix: Avoid a possible PHP warning in LazyLoad mutator
- Enhancement: Added a filter w3tc_cdn_cf_flush_all_uris for CloudFront purging