Include parameters section in env config
Include parameters section in env config

When getting the list of environment parameters, include also
parameters from 'parameters' section of the environment

Closes-Bug: #1660285
Change-Id: I74f82e83d9d091bb6e0201294c2fa4564f78b328

knowncitizen/tripleo-ui,knowncitizen/tripleo-ui,knowncitizen/tripleo-ui,knowncitizen/tripleo-ui