Squashed 'libs/cppzmq/' content from commit c66fc609

git-subtree-dir: libs/cppzmq
git-subtree-split: c66fc6094b2a03439dea8469719e221e80e2e8e7

demo/main.cpp

@@ -0,0 +1,7 @@
+#include <zmq.hpp>
+
+int main(int argc, char **argv)
+{
+    zmq::context_t context;
+    return 0;
+}