Use Ubuntu 14.04 for Travis-CI
Use Ubuntu 14.04 for Travis-CI

interpretor/zeromq.js,lgeiger/zmq-prebuilt,interpretor/zeromq.js,lgeiger/zmq-prebuilt,lgeiger/zmq-prebuilt,interpretor/zeromq.js,lgeiger/zmq-prebuilt,lgeiger/zmq-prebuilt,interpretor/zeromq.js,interpretor/zeromq.js