Merge pull request #41 from oliora/master

Typo in comment fixed
Add streaming operator to socket

Mainly for diagnostic purposes
Merge remote-tracking branch 'upstream/master'
Merge pull request #42 from rodgert/master

Add streaming operator to socket
resolve #43 rename thread -> actor

Also migrated test cast to use Catch
Cleanup licenses section of CONTRIBUTING
More license cleanup to CONTRIBUTING
Merge pull request #47 from oliora/master

Build configuration compatible with Apple Clang 5.1 (Xcode 5.1)
Merge pull request #44 from rodgert/master

resolve #43 rename thread -> actor
Merge pull request #48 from oliora/master

Link to CI added
fix #21 Remove overloaded use of ZMQ_RCVMORE/SNDMORE with multi-buffer sequences
Resolve problem with monitor test failing

Also added purge() to socket
Fix send/receive usage consistent with previous commit's changes
Merge branch 'master' of https://github.com/oliora/azmq into oliora-master
Merge branch 'oliora-master'
Rename purge -> flush

Consistent with CZMQ naming
Fix formatting
Insert .5sec delay before tearing down ios in monitor test

Hopefully addresses spurious failures in CI test runs
Lengthen delay in monitor test to 1sec

Windows CI build still seems to fail with .5sec
Merge pull request #49 from rodgert/master

fix #21 Remove overloaded use of ZMQ_RCVMORE/SNDMORE with multi-buffer sequences