host: Add pid to containerinit network errors

Signed-off-by: Lewis Marshall <lewis@lmars.net>
test: Dump logs for all jobs

Signed-off-by: Lewis Marshall <lewis@lmars.net>
receiver: Print the slugbuilder job ID

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Godeps/grohl: Use millisecond precision

Signed-off-by: Lewis Marshall <lewis@lmars.net>