Asset pipeline wasn't actually using the spacelab theme because require_tree was loading everything automatically and then bootstrap last.  Removed require_tree and now loading space labs theme by hand after bootstrap.
Adding index home page
Now that I'm actually using space labs, I only want a few of the styles to override bootstrap
Extract filters out into one layout file that yields content specific to the name of the fitler
Raking assets.  Using bootstrap_and_overrides.css.scss so that font-awesome shows up instead of glyphicons