Disable asset compile in production
Disable asset compile in production

Pushing to Heroku produces this warning:

remote: ###### WARNING:
remote:
remote:        You set your `config.assets.compile = true` in production.
remote:        This can negatively impact the performance of your application.
remote:
remote:        For more information can be found in this article:
remote:          https://devcenter.heroku.com/articles/rails-asset-pipeline#compile-set-to-true-in-production

Let's disable asset compile in production, instead using precompile
assets on deploy, which is the default.

igrigorik/vimgolf,igrigorik/vimgolf,igrigorik/vimgolf,igrigorik/vimgolf