Revert "minimized .travis.yml to use defaults"
Revert "minimized .travis.yml to use defaults"

This reverts commit 35bc05a4c7da694c9457bb97aca0da44cbd0757c.

Signed-off-by: Jatin Naik <c95fe76686aea17b662d6fe4a62c8a41049b4321@pivotal.io>

drnic/brokerapi,pivotal-cf/brokerapi,cfmobile/brokerapi,pivotal-cf/brokerapi