tslint has been deprecated so it's nice to switch to eslint.
Currently this uses a minimal eslint, to get things up and running.
node-sass requires C which does not work nicely on all platforms.
Change-Id: I3ca9adf2971475c009e541652b7637c18ad960f4
Unifies the stylesheet for 404 and 500 errors. References the
Storj logo rather than embedding it in the HTML. Replaces references
to Storj with Storj DCS. Removes reference to nonexistent font.
Change-Id: If224f30eb0b21171fc8f575de6c4cef98a48c6f5
