New UI design: smart navigation

In R32 we also introduce the first steps of our new UI-design. The title bar and styling got a new "flat" look, and we introduce new ways of navigating: sidebars and widgets. To organize and manage items in BlueConic we are introducing the "navigation widget", which offers a more personal and scalable way of organizing your work. In R32 the navigation widget is available for Listeners and Profile properties, but in the coming releases this is going to be used for other items (segments, interactions etc.) as well.