Ansible>2 dependes on gcc, python-devel and openssl-devel

Closes-Bug: #1626861
Change-Id: Ib881a7642f136bf72f2ce167cf983ec1b5b13d0c

bindep installs a slew of stuff we don't really need and doesn't add
much if any value.  This only turns on bindeps that are required.

This shaves about 3 minutes off each gate run.

Closes-Bug: #1620865
Change-Id: I24df4f2a30c682c1b09e89c7c52f7608582da1a6