Enable Travis to run Test Kitchen on EC2.
Ignore .kitchen/ and Berksfile.lock
Separate .kitchen.ymls for local TK (vagrant) and travis TK (ec2) runs
Add example test for installed git.
Add information on using Test Kitchen for E2E testing.
Update for new branch in test-kitchen
Remove .kitchen/ files that crept in
Update secure environment variables.
Update for Travis + Test Kitchen
Merge pull request #1688 from opscode/mcquin/kitchen_with_travis

Run Test Kitchen on Travis