D3 graph moved to browse_games page.
Refactors css styling on tables in base_styles.css.
Restyles login page for scroll layout.
Styles header and histogram page.
Finished styling on histogram page, for now.
Styling for browse games page.
CSS styling for homepage.
Styling and temp chess board for moves browser page.
Fixes z-index on navigation items.
New template to browse all players' moves.
Merge remote-tracking branch 'origin/master'

* origin/master:
  Fixed some dumb things with interactive analysis. Still super broken.
  Fixing legacy etl stuff.