Update keystone's selinux policies

Allow openssl to read keystone ssl files.

Move /mnt/state directory creation to configure.d.

Change-Id: I75ccbaf3fa4efde1c48340de7c63efa30652e3e0
The MySQL element requires the os-svc-install element

os-refresh-config/post-configure.d/40-mysql uses the os-svc-restart
command provided by os-svc-install

Change-Id: I35e805868ef5ca3b72b492c27a3b8c95e3b817df
Activate venvs in os-*-config elements source install

  This updates the source install scripts for os-apply collect and
  refresh config elements to activate their virtualenvs before
  performing pip installs,  as without this specifing a manifest for
  e.g. os-apply-config breaks devtest build

Closes-bug: #1305151
Change-Id: I3c42de180f76fb122637c801541f14e50169de89
Merge "Update keystone's selinux policies"
Merge "Activate venvs in os-*-config elements source install"
Update write-pip-manifests pip freeze to use -l

Update write-pip-manifests pip freeze to use -l so that output
manifests do not include non-virtualenv version info. So that
subsequent rebuilds with DIB_PIP_MANIFEST_<service> will work.

Change-Id: I9c3b0ba1595db6e4d970dcf3ceb9a03211f864b0
Closes-Bug: #1305859
Merge "The MySQL element requires the os-svc-install element"
Merge "Update write-pip-manifests pip freeze to use -l"