Add constant periodic overlay update if user enables option to hide labels for hidden measured dom elements - work towards #39. This repeated update is necessary since long-running animations can cause our update code to not detect uncovered/covered dom elements automatically.
Add constant periodic overlay update if user enables option to hide labels for hidden measured dom elements - work towards #39. This repeated update is necessary since long-running animations can cause our update code to not detect uncovered/covered dom elements automatically.

tonytopper/grid-overlay,eBay/Design-Grid-Overlay,tonytopper/grid-overlay,eBay/Design-Grid-Overlay