syncpub/sub example, plus a bit of refactoring in the SubSocketBuilder.
psenvpub/sub examples from the guide.
identity example from the guide.
added support for the ROUTER_MANDATORY socket option on a ROUTER socket.
rtreq guide example
small updates to the poller code
altered output to more closely match the guide.
rtdealer guide example.
lbbroker example
Added timeouts to the base socket builder & hooked up to a couple of places.
misc. refactorings.
general socket builder cleanup + a test for send & receive timeouts.
Add 2.1.2 deb
Update pom.xml
lbbroker2 from the guide, plus first cut at a Message/Frame/RoutedMessage API.
Merge remote-tracking branch 'origin/master'
added poll method with timeout.
asyncsrv guide example.
Add jzmq-2.1.3-1_amd64.deb
Fix issue where deb was added to the wrong folder
Ensure compile encoding is UTF-8
Fix travis build