Adds heartbeats test and enhances agent and endpoint shutdowns
Merge pull request #6 from bravelittlescientist/virgo-js-test-suite

Test suite basics, connection port and agent/endpoint shutdown enhancements
add travis.yml
Merge branch 'master' of github.com:virgo-agent-toolkit/virgo.js
kick travis build
fix package.json
fix package.json and make test certs
fix require for lib/connection
add travis build status
remove node 0.8