Add settings for controlPanelUrl and controlPanelLinkDirectly; commit synced with https://github.com/cusu/bob-gui/commit/49a47e2b323c38dfc3e67b71501a8f2b30f22908 and
https://github.com/cusu/bob-gui/commit/a35f98b2237a4b20bf286a79fe3f5f25184aeef6