google/compile-testing — pull request #20 by cgruber (2013-09-11 18:30:37+00:00)
Title: Test against all available JVMs on travis-ci.org.

Not sure if we want to do this against all of them, and certainly we should wait until we decide that we are fixing java6 before submitting this as-is, but this at least enables travis to build against all of the JVMs it has handy.