Authorization for SIP protocol, implement subscribe for presence.winfo rfc3857, rfc3858, rfc5025. Add block and polite-block to the currently available allow rules in xcap implementation and using them fo the sip authorization. Fix - do not subscribe for not in contactlist contacts and for terminated subscriptions. Remove warning for not found AAAA and A records, warn when both are not found. Change some config properties for autoaway.