Add README
Show other zone corners

This allows people to easily see who else are in the game if they can
only see one of the screens.
Fix smaller zone markings to show correct team
Switch time display to use colons
Show match number
Use ng-repeat to reduce duplicate code
Restructure timing

Allows computers to correctly stay in sync.
Move formatTimeLeft into seperate function

Reduce reliance on AngularJS.
Modulise code, remove Angular JS dependency
Restore reading arena and corner args from URL
Display the next match
Add 5-second timeout just before match starts
Abstract out resources
Remove the, now unnecessary, ng-app property