Add openmpi-bin in trusty to ubuntu-trusty; resolves travis-ci/apt-package-whitelist#4091
Add openmpi-bin in trusty to ubuntu-trusty; resolves travis-ci/apt-package-whitelist#4091

Packages: openmpi-bin libopenmpi-dev libopenmpi1.6 openmpi-common openmpi-doc libopenmpi1.6-dbg openmpi-checkpoint

travis-ci/apt-package-whitelist,travis-ci/apt-package-whitelist