Merge pull request #438 from steve-o/master

Duplicate CMake patch set from zeromq3-x
Upated NEWS for 3.2.1
Upated version for next release
Bumped version to 3.3.0
Merge pull request #439 from hintjens/master

Updated master version to 3.2.2
Several include files were missing
Merge pull request #440 from hintjens/master

Packages did not build - fixed
Fixed issue #448
Merge pull request #441 from hintjens/master

Fixed build regression
Fixed issue #449
Fixed issue #451
Added ZMQ_FAIL_UNROUTABLE alias back as deprecated
Added unbind/disconnect man pages, notes to deprecated methods
Merge pull request #442 from hintjens/master

Fixed build regression #449
Whitespace and style fixes
Merge pull request #443 from hintjens/master

Fixed whitespace and style
Move socket_base.hpp and err.hpp after poll.h include

These two headers also include zmq.h somewhere in their dependency
chain, so must be included after poll.h is included for builds to work
on AIX.
Merge pull request #444 from vortechs2000/fix_aix

Fix Build Regression #449: Move socket_base.hpp and err.hpp after poll.h include
Resolve LIBZMQ-417

Ref: https://zeromq.jira.com/browse/LIBZMQ-417
Resolve LIBZMQ-452

Ref: https://zeromq.jira.com/browse/LIBZMQ-452