asmack 0.8.6 with MUC, TLSv1.2, HostnameVerifier

Custom SMACK branch including fixes for:
 * XEP-0198
 * DNS SRV failure
 * MUC room names
 * TLS v1.2 (corrected)
 * TLS HostnameVerifier plugging

based on smack:

commit 569733613074adf9eede0a59eef174fd5ae511a8
Author: Georg Lukas <georg@op-co.de>
Date:   Wed Jul 23 09:57:37 2014 +0200

    TLS HostnameVerifier: use IDN service name
Pulled in latest MTM with HostnameVerifier
smackable: use MTM.HostnameVerifier
smackable: connect after adding connlistener. fix breakage on first conn
Roster: fix NPE in roster cursor requery
Roster: move server-intent handling to backend-bind
service: implement changePassword() method
prefs: implement new password change dialog
smackable: work around strange NPE in packet parser