agent: don't recover 0 containers
supervisor: update newContainer stub
Makefile: release: update for new names and godep
Makefile: dep target: don't need GOOS/GOARCH
Merge branch 'master' of github.com:soundcloud/harpoon into integration-tests-port-fix
Fix harness script so it functions.

* Fix failures due to data persisting in the temp directory.
* Fix failures due to slow scheduler startup.