Add postgresql client to shotgun dependencies

Change-Id: I114629462cef7f47f534740af9a31ecb91d66129
Closes-Bug: #1313628
Add tar dependency to shotgun

Closes-Bug: #1313609
blueprint fuel-containerization-of-services

Change-Id: I2fa576b65657197caf626c47d215946c71661b6b
Merge "Add postgresql client to shotgun dependencies"