Don't use dnspython for A and AAAA (but keep it for SRV).
dnspython don't perform a full resolv.
For example it don't manage /etc/hosts on linux.
Merge pull request #271 from louiz/develop

Use strings for ElementTree.iterparse events names
Undo event name fix, due to breakage in Py2.x
Fix X-FACEBOOK-PLATFORM authentication in Python3.
Allow setting custom cipher suites in Py2.7+
Merge pull request #270 from optiflows/fix_hosts

Don't use dnspython for A and AAAA (but keep it for SRV).
Examples fixes
Thread counting fix
Merge pull request #274 from anton-ryzhov/fixes

Examples and thread counting
Update xep_0065/proxy.py

Removed reference to undefined variable "conn"
Fixed XEP-0065 SOCKS5 socket closing

SCOKS5 SID were removed multiple times from the _sessions dictionary
Merge pull request #275 from waechtjn/develop

XEP-0065 Implementation Broken
close #276, now we  trigger 'groupchat_message_error'  and  muc::ROOM::message_error when we receive a message type=error from the server
Fix verifying 'from' for IQ results.

Closes issue #278
Merge branch 'develop' of github.com:fritzy/SleekXMPP into develop
Add test for wrong sender in IQ
Add Py3.3 to list of supported versions
Merge pull request #272 from tfriem/develop

Fix X-FACEBOOK-PLATFORM authentication in Python3.
Merge pull request #277 from allan-simon/develop

close #276, now we  trigger 'groupchat_message_error'
Merge branch 'develop' of github.com:fritzy/SleekXMPP into develop