Generate all policy.json files
Generate all policy.json files

It generates policy.json files for the remaining OpenStack services:
Keystone, Nova and Cinder.

The test list will be changed in a next change (all the tests in
error has to be checked).

Change-Id: I8872cf804c1ef94e519fe311b2d886d12c022707
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

opnfv/functest,opnfv/functest