Run *-manage tools as the respective user for each service
Run *-manage tools as the respective user for each service

We use a small run_as helper function to make this easier.

This helps fix some issues where these calls were creating log files
belonging to root.

sjamgade/openstack-quickstart,wenhuizhang/openstack-quickstart,hayderimran7/openstack-quickstart,sayalilunkad/openstack-quickstart,SUSE-Cloud/openstack-quickstart,toabctl/openstack-quickstart