Increase Aruba process timeout

Seems like 5 seconds isn't enough on CI:
https://travis-ci.org/vcr/vcr/jobs/37566372

Ruby 2.0.0 fails pretty consistently if timeout is around 10s or less:
https://travis-ci.org/vcr/vcr/jobs/37569992

Of course, I have no idea why.
Don't fail the CI build if simplecov segfaulted. It happens often
Compatibility with Ruby 1.8 and Rubygems 1.6
Add `script/test` for running individual files/directories
Enable Travis folds in CI output
Output timing information per test operation in Travis web interface