Bug #785,#784: Breadcrumbs and Logos

Code Review: http://mrccodereview.cloudapp.net/ui#review:id=1295

Fixing:
https://github.com/alterm4nn/ChronoZoom/issues/796
https://github.com/alterm4nn/ChronoZoom/issues/795
https://github.com/alterm4nn/ChronoZoom/issues/794

Mostly, issues around the new layout and an unrelated fix regarding URL separators in FireFox.