avoid two regions iterations calling currentRegions.set in both loops.
avoid two regions iterations calling currentRegions.set in both loops.

kadirahq/blaze-layout,meteorhacks/flow-layout,meteorhacks/flow-layout,rfox90/blaze-layout,kadirahq/blaze-layout,rfox90/blaze-layout,grsabreu/blaze-layout,grsabreu/blaze-layout