Implementing Hub changes

Implemented a overlay to tell the user they are reconnecting and if they
do reconnect it refreshes the screen so that they have the most up to
date board.  If they are not able to reconnect then it asks them to
reload the page.
Updated master.sql from previous commit
Upgraded a bunch of packages

This was in hopes of getting SignalR to work on apphb SSL
Merge remote-tracking branch 'origin/master' into RoundTimer2