Travis CI builds recently broke due to shifts in upstream dependencies. This fixes continuous integration by upgrading the Ubuntu distribution and Node version used in builds.
Coverage decreased (-12.4%) to 78.048% when pulling 8665d51aa497a10c0885ceb9c0c55c14e565007e on fix-ci into a49c5179bcf5facef3031e3a6003aa7363217800 on master.
Travis CI builds recently broke due to shifts in upstream dependencies. This fixes continuous integration by upgrading the Ubuntu distribution and Node version used in builds.