Set up appcache for update

Get ready for a deploy
Merge tag 'New_Style' into dev

Completely restyle the app. Looks epic now!
Merge tag 'logo_font_size' into dev

Reduce route font size in logo
Remove app cache for dev
Remove border-radius fudge

It didn't work. I can't put a border radius on maps for safari cuz webkit is broken.
Update daytime style

Made building visible on campus. Also change the way the background style is generated. We now take the foreground style and add settings to remove road labels.
More style fine tuning
Disable app_cache by default

Use the APPCACHE enviroment variable to turn on app cache in production.
Cache SVG logo
Merge branch 'release/improve_appcache'