CI pipeline for davcli.
CI pipeline for davcli.

[#123996561](https://www.pivotaltracker.com/story/show/123996561)

Signed-off-by: Shatarupa Nandi <3efeaa499e3e1d586e0cf648346ba222fe46816b@pivotal.io>
Signed-off-by: Ming Xiao <fde61075b779168f6585a9760a4f9e9e08423562@pivotal.io>

cloudfoundry/bosh-davcli,cloudfoundry/bosh-davcli