Bug #794,#795,#796: New Layout Regressions and FireFox URL Fix

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.