travis-ci/travis-core — pull request #416 by BanzaiMan (2014-12-08 12:32:28+00:00)
Title: Add C#, D, Julia language keys

This allows these languages keys to be build matrix dimensions.

See
https://github.com/travis-ci/travis-build/pull/340, https://github.com/travis-ci/travis-build/pull/318, and https://github.com/travis-ci/travis-build/pull/294