Update util to support pretty print
Update util to support pretty print

Change-Id: Id1a83372f9e936ce4f29202b063b825d63d2cafa

stackforge/compass-core,openstack/compass-core,openstack/compass-core,stackforge/compass-core,stackforge/compass-core,baigk/compass-core,stackforge/compass-core,openstack/compass-core,baigk/compass-core,baigk/compass-core,openstack/compass-core