Launchers Shell/MRA/VTK Plugin: Better support for VTK installed on Windows in Batch launchers.
If variable "vtk.lib.dir" is set then it will be used ("vtk.lib.dir(x86)" can be set on a x64 Windows to run 32bit java and VTK).
If not it is expeted to be installed on "%PROGRAMFILES%\VTK\bin" or "%PROGRAMFILES(x86)%\VTK\bin" for 32bit on a x64 Windows.