Add push notification

[BrianFreemanAtlanta]

Ask users if allow push notification

• push notifications when users or set # of users on-line

[ignacioxd]

This is interesting, and could be added rather easily. Do you have notification ideas beyond number of users on line?

[BrianFreemanAtlanta]

Initially it would be users on-line. If we actually have people sign up and allow "friending" we could enhance it to show when friends are on-line - like Steam does.