No need to pull integration test container

Fix Consul --retry-join failure (autopilotpattern#73)

* Never leave LOG_LEVEL unset in Compose file

* single-node Consul server should not use ContainerPilot

* Don't include port in --retry-join field when we rewrite CP config

Upgrade ContainerPilot to 2.6.0, Consul to 0.7.1 (autopilotpattern#74)

Fix parsing of MySQL row in test rig to avoid intermittent test failu…

…res (autopilotpattern#65)

Integration tests were "randomly" failing whenever the UUID of the value
we wrote to MySQL started with the "d", "e", or "f" characters because
these were getting stripped off during parsing and we'd incorrectly report
this as a replication failure.

Take advantage of failfast from autopilotpattern/testing (autopilotpa…

…ttern#66)

Updates the test running so that we don't tear down all our containers
on a failed test run so that we can do post-mortem debugging (except on
Shippable where we can't debug them anyways).

Upgrade Consul to 0.7

Merge pull request autopilotpattern#55 from tgross/gh39_use_standby

Failover improvements

Merge pull request autopilotpattern#50 from tgross/gh30_logging_impro…

…vements

Logging and exception handling improvements

Merge pull request autopilotpattern#47 from autopilotpattern/readme-f…

…ixes

Removing broken badges

Merge pull request autopilotpattern#21 from tgross/move_init_into_health

Move most of initialization into health check