More debugging statements to diagnose travis.

Change-Id: Ia3bfbc49316bcbcb9fbaa8a5b6e5525a91b77091
Removing jruby and rubinius builds.

Change-Id: I8b1aaad9ed542c7b715b70593a4c687af06f2587
Set mothership exit status in vmc_ok.

Change-Id: I82d401f2f50edee57ce4c591c63929afb224b93e