Running into trouble with requirements with greenlet etc. Specifically
for requirements from oslo-incubator.
Change-Id: I6ad3b02f679e7262ad861833d8b4e46fdbd4142c
Make sure we're actually using an fedora 20 image by explicitly using
the tag of the image we're building it from.
Change-Id: I98a2d66236f2278104e4c825c22d510259db344d
When adopting dox on Zaqar and Glance, the ubuntu image required running
the update command with `--fix-missing`. I'm adding it directly to the
Dockerfile since it seems harmless, AFAICT.
Change-Id: I126ed9c4416924cce44ee3e4498e21e11157fe2a
Remove the burden of installing build-essential tools on dox.yml files
by installing it in the base image. Most of the projects will need this
package installed, anyway.