Modified mitk::ApplicationCursor to work with wxWidgets using vtkRenderWindow to map all the implementations

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Missing attachment?

wxWidgets has two versions of SetCursor( ):

• wxWindow::SetCursor( )
• And the global one wxSetCursor( ).

The global one only has an effect on Windows, Mac and GTK+. So we decided to use the wxWindow::SetCursor( ).

To be able to use the wxWindow::SetCursor( ) function, the parameter vtkRenderWindow has been added to mitk::ApplicationCursor class. For each instance of vtkRenderWindow, there's one instance of mitk::ApplicationCursorImplementation.

The code is compatible with Qt version that uses a single instance of mitk::ApplicationCursorImplementation for all windows.

When the user creates only one instance of mitk::ApplicationCursorImplementation, like in Qt, it will be registered using the vtkRenderWindow == NULL and any call to mitk::ApplicationCursor will use this global instance.

Resetting all bugs without active assignee flag to "CONFIRMED". Change status to IN_PROGRESS if you are working on it.