Remove openstack from stemcell promotion

This reverts commit 3477fdfb9df5201157364b18808893bc138b1753.
Fixed GoCD dockerfile for unit & integration tests

To run:
- cd bosh
- RUBY_VERSION=2.1.2 gocd/bosh/run-in-container.sh /opt/bosh/tests/unit/job.sh
- RUBY_VERSION=2.1.2 gocd/bosh/run-in-container.sh /opt/bosh/tests/integration/job.sh

[#76642222]
chowning /opt/bosh so the container user has write permission

[#76642222]

Signed-off-by: Mike Dillion <mike.dillion@pistoncloud.com>
Fixed GoCD scripts

- return the correct exit code
- respond to signal interrupts
- mount bosh in vagrant when building the docker image

[#76642222]

Signed-off-by: Mike Dillion <mike.dillion@pistoncloud.com>
Use config file from postgres job

Ignore failures if database and user already exist
Made code coverage reporting optional

[#76642222]

Signed-off-by: Mike Dillion <mike.dillion@pistoncloud.com>
Update OS_IMAGES.md

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Setting DB=mysql should run mysql integration tests

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Turn on verbose mode in NATS in integration tests

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Print agent and nats logs when VMs stay in unknown/unknown state

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Fixed COVERAGE to expect 'true'

[#76642222]

Signed-off-by: Mike Dillion <mike.dillion@pistoncloud.com>
Adding final release for build 2693
Merge final release for build 2693 to develop