RDO - setting repos and installing OpenStack

Change-Id: I47826825834b02b6357f583e3a12a8b83ece9cf7
Merge branch 'master' of ssh://review.gerrithub.io:29418/midonet/midonet-docs
Merge branch 'master' of ssh://review.gerrithub.io:29418/midonet/midonet-docs
MN-2969

Change-Id: I292cbd89b45e58e61f5d9f4e726ba1c99b3880ec