Fixed up the opengl viewport stuff so scroll-bars work again. fixed zooming to the extents of the loaded tree. fixed saving/loading of the main-window state.
Fixed up the opengl viewport stuff so scroll-bars work again. fixed zooming to the extents of the loaded tree. fixed saving/loading of the main-window state.

jjacobsson/calltree,AntonioModer/calltree,AntonioModer/calltree,AntonioModer/calltree,jjacobsson/calltree