Added SharpGL and teapot demo
Got tab document mvvm working
mvvmified tools
added cad view
More mvvm stuff
Commands!
plane maths, still needs work
cleanup
Added Orthographic
Started Scenegraph
added DatumLeaf
added screenshot
Made menu model driven
Started project exploreer
More project explorer work
starting merge of structures
Open project eventing
Added proj file start
Added part meta
Added IReadOnlyObservableCollection