[update-sensu-spawn] use sensu-spawn 1.1.0, supports large check output
Merge pull request #785 from portertech/feature/update-sensu-spawn

Use sensu-spawn 1.1.0, supports large check output
Add Sensu::Socket characterization tests.
Refactor Sensu::Socket.
Make Sensu::Socket support check results that are too large to fit in a single packet.
fix gemspec.
Merge pull request #767 from jessekempf/local_socket_bigstream_support_candidate

Make Sensu::Socket support check results too large to fit in a single packet.