Prevent click propagation for top menu click (#25)
Prevent click propagation for top menu click (#25)

There is a bug that is causing clicks to go through a stacked DOM
element to the elements behind. This is part of the solution, but it is
related to shanti_integration changes on the pointer events when the
menu is open or close.
shanti-uva/kmaps_engine,shanti-uva/kmaps_engine,shanti-uva/kmaps_engine