Bumped v0.23.2.
Cleanup of root folder.
Bumped redis dependency. Added hiredis as optional dependency.
publish subscribes and connected-client
Bumped all dependencies.

Sinon and zmq leftovers.
Bumped ascoltatori.
{broker-id} turns to be variable in topic name
Fix address of showcase wiki page
enable server.opts.publishNewClient by default
Merge pull request #182 from mocheng/fix_92

publish subscribes and connected-client