Remove old template
Convert to unix format
Remove turbolinks

I don't see any improvement. Actually, not having a proper "loading"
sign, it actually feels less responsive this way. Also, if we want
something like this in the future we'll chose a more flexible solution.
Load analytics unobtrusively
Don't use require_tree

Manually load what's needed instead.
Remove unneded file extension
Prevent script from being loaded multiple times