Update pop up toggle to send the pop up events with the tethering properties
update pop ups to hide by using visibility hidden
update pop ups to consider the tethering properties supplied by the pop up toggle
update the action bar overflow to utilize the new tethering properties of pop ups
Decompose action overflow into overflow and toggle.
Add initial syntax for overflow actions with nd list
update background color and box shadow for pop ups
initial build of the nd list and items
update index to never show the help item