chore(travis): Prevent 403s due to API rate limiting.
chore(travis): Prevent 403s due to API rate limiting.

Add TSD_GITHUB_TOKEN to .travis.yml

un33k/ts-minify,un33k/ts-minify,angular/ts-minify,jeffbcross/ts-minify,angular/ts-minify,jeffbcross/ts-minify