v3.1.0

• Remove P3P iframe cookies directives [ccce7b8]
• Add TraceEnable Off directive [0a2f70e]
• Support hashed asset names in cache-busting [33f8006]
• Allow SSL certificate set up over HTTP [54b6176...993127d]
• Rename cache expiration rules file to cache_expiration.conf to make it more generic [11690c6]
• Improve inline comments.