Expose *FOG_* env vars in .travis.yml
Expose *FOG_* env vars in .travis.yml

Specs won't run without these env vars.
Adding them to .travis.yml frees forks from reproducing them in their repo
settings on Travis

These are based on, but different from the values currently in .env-sample

ddmck/Empirical-Core,ddmck/Empirical-Core,ddmck/Empirical-Core,ddmck/Empirical-Core