Move old pacto/server to pacto/dummy_server
Add Goliath-based Pacto::Server
Add Pacto::TestHelper for spawning a Pacto::Server within RSpec
Use new Pacto::Server for testing, except on JRuby where EM is buggy
Require em-synchrony/em-http for proper standalone execution
Merge pull request #105 from thoughtworks/pacto-server

Pacto server