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of the renderwindow.  This makes interaction with widgets that change
the cursor much nicer.

ENH:Moved vtkVREncodeString from VolumeRendering to Utilities/EncodeString and renamed it as vtkEncodeString since it can be used to encode any text file into a C string, not only for GLSL or other shader code but also for encoding event logs in Widgets/Testing for example

COMP:Removed some useless test for CMake 2.4 version as this is redundant with the first line of the file.

flags if already present.