Cleanup of the URL navigator, so that the DolphinMainWindow and the DolphinView are...

Cleanup of the URL navigator, so that the DolphinMainWindow and the DolphinView are not used anymore. This will make it easier for us later on when moving the URL navigator outside Dolphin to make it accessable for other parts. Currently the bookmarks are still accessed by DolphinSettings, but this will be cleaned up later...

svn path=/trunk/KDE/kdebase/apps/; revision=634432