Added packages for 1.4.2, 1.5.1, 1.6.0, and 1.6.1.
Added packages for 1.4.2, 1.5.1, 1.6.0, and 1.6.1.

mesosphere/open-docs,mesosphere/open-docs,mesosphere/open-docs,mesosphere/open-docs,mesosphere/open-docs