doc updates
Add ZMQ::Poller
Add documentation to ZMQ::Poller
Check that ZMQ::Poller is loaded.
ZMQ::call('zmq_poll') instead zmq_poll directly

This commit calls zmq_poll with ZMQ::call instead of directly through a
backend. This changes the return value from zmq_poll somehow. The new
code is to fix the return value from zmq_poll.
Change 201_poller.t to choose the right send/recv
minor doc update
doc updates
see if this works to test czmq on travis
fix
more travis tweaks
Make sure to get back in the original directory
Merge branch 'master' of git://github.com/pstuifzand/p5-ZMQ into topic/zmq-poller
show log upon cpanm failure
Remove TestTarget
tweak prereq installation
Add checklib
see adding -lczmq makes any diference
install Test::TCP
Add some more sub doc (stubs only)