new controller-class for osc-settings. Added some contextual enabling/disabling
added NSUserDefaults for OSC
refined ui
better ui, save more state
started with integration of osg
fixed OpenGL-view
added dedicated build-settings, implemented scene-loading
fixed release-build
moved Optimizer int ReadFileThread, setup initial projection matrix
fixed loading of p3d-files, toggle trackball on demand, reload last scene when opening app
...
fixed trackball