Partitura Magica Code2

moved some types to own file

csunit test attributes added

corrected and simplified partitura.GetAllParts()

Label/UnLabel of Parts with A, B, C ..
now works.
Also we are using RoutedUICommands now for everything.

organized lib project in subfolders
(not yet dependency analyzed)

revised todos
rename ShapeType to Shape

solved some bugs regarding resizing of splitted Boxes
now splitters are just double values, not rects
CanUpdate now performs an update on a deep copy
all tests pass

selectitemCommand will only show the part of a Box
under the mouse pointer as selected.

Not yet done.