Merge pull request #46 from miniway/master

rewrite poller to be compatile with jzmq
Ignore eclipse workspace files
Add disconnect method
Merge pull request #49 from imleon/master

Add disconnect method to ZMQ
Add set method for sockopt ZMQ_XPUB_VERBOSE
Merge pull request #50 from erikalgell/master

Add set method for sockopt ZMQ_XPUB_VERBOSE
change jeromq package namespace and cleanup guide
user friendly error at bind failure
implement Closeable on ZContext