added info to README regarding zeromq
progressing Zeromq API
added learning test for integration of zeromq
added zmq XPUB/XSUB proxy; big refactoring: separated REST and zmq stuff into their own modules
Merge branch 'with-zero-mq' into develop

Conflicts:
	README.md
	package.json
	test/testSubscribing.js
increased version number and edited README
Merge branch 'release-0.0.7' into develop