Scale api, diego-api, cc-worker to 2 instances
Scale api, diego-api, cc-worker to 2 instances

To better replicate RelInt team's setup:
https://cloudfoundry.slack.com/archives/C0BNGJY0G/p1513631171000331?thread_ts=1512502253.000140&cid=C0BNGJY0G

[#154362701]

cloudfoundry-incubator/bits-service-ci,cloudfoundry-incubator/bits-service-ci,cloudfoundry-incubator/bits-service-ci