Update links for glusterfs download and change controller to localhost to allow for multiple controller deployment.

modified:   07-openstack-controller/05-keystone-create-db.sh
	modified:   07-openstack-controller/07-keystone-config.sh
	modified:   07-openstack-controller/11-keystone-create-users.sh
	modified:   07-openstack-controller/13-glance-create-db.sh
	modified:   07-openstack-controller/14-glance-config.sh
	modified:   07-openstack-controller/21-nova-create-db.sh
	UPDATE-README.rst