Update introspection pinning for oooq CI to use JQ based script
Update introspection pinning for oooq CI to use JQ based script

See here for more details
https://review.openstack.org/#/c/437946/

The reason the old pin isn't working is that --bootstrap in quickstart
doesn't work like it should and force the reinstallation of the virtualenv
so we carry over the prep internal script that now uses extras itself.

Change-Id: I5479738565017941df71313f10816f2c9a4debea

jkilpatr/browbeat,jkilpatr/browbeat