Ensure that apache finds the right file.

Simplifying the case of navigating to the page.

Change-Id: I61b2273a4665f801ea2db281e522474979735f83
Don't hide unused corners

This will allow the time to be shown on all screens, but also it will
help make it clearer what corner the screen is displaying by always
showing the colours.
Add update for when team doesn't exist

This makes sure that it gets replaced by an empty string rather than
leaving the old team.
Add reset.css for consistent styling
Start work on sr JavaScript library
Rename sr to srobo

Makes it clearer what 'sr' is in code.
Start using srobo library
Move styles into separate stylesheets
Move helper functions into separate JS file
Move arena logic into separate JS file
General improvements to arena screen
Add initial layout for outside screen
Implement page switching
Increase font size for status bar
Add page switching progress bar
Implement leaderboard and scores page
Add team names to the leaderboard
Experiment with SRobo-like font
Change progress bar background image
Switch main font to Noto Sans