Merge pull request #288 from minrk/changelog

note a few recent changes in the changelog
add py3.3 to travis
add missing web.py

Raises informative ImportError, pointing to new repo.

Was meant to be part of #286, but I forgot to add it.
Merge pull request #292 from minrk/webdotpy

add missing web.py

Was meant to be part of #286, but I forgot to add it.
Merge pull request #289 from minrk/nodevice

update to current state of devices in libzmq

zmq.proxy is new version of zmq.device
remove reduntant custom zmq_device implementation
Merge pull request #294 from minrk/sugar

separate Python sugar methods from base libzmq API in core

clears the path for cffi backend and pypy compatibility

closes #290
update libzmq C-API for libzmq 3.2.2

uses new zmq_ctx_new / destroy,
avoid using any deprecated methods in libzmq3
remove dead attributes on Cython Context/Socket
expose context options via ctx.set/get
sockopt collections are sets
sock.get matches context.get
update versions
update bundled-libzmq to target zeromq-3.2.2

libuuid is no longer required