Redesigns and fixes

1) Redesign main page to include collapsible group items

2) Fix route to bootstrap glyphicons in boostrap.css

@font-face {
  font-family: 'Glyphicons Halflings';
  src: url('../fonts/glyphicons-halflings-regular.eot');
  ...........
}

to

@font-face {
  font-family: 'Glyphicons Halflings';
  src: url('/assets/glyphicons-halflings-regular.eot');
  ...........
}

Javascript for toggleCollapse not working yet.