[Cin] Improved Gradient Plugin

[Phyllis Smith]

IgorB:  thanks for that.  It is the OpenGL shading language version string:
1.30 that is of concern (not the "core profile shading language version
string".  GG wants to know if when you run the same way but click on the
"Disable OpenGL masking" checkbox, does it work correctly then?  That would
help to narrow down if it is really the version number causing the
problem.   At the same time, GG is building an older laptop here to see if
he can generate the same problem.  gg/Phyllis

"Charlie" ( hehehe ;-p ) says:
> server glx version string: 1.4
> client glx version string: 1.4
> GLX version: 1.4
>     Max core profile version: 3.3
>     Max compat profile version: 3.0
>     Max GLES1 profile version: 1.1
>     Max GLES[23] profile version: 3.0
> OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.2.0
> OpenGL core profile shading language version string: 3.30
> OpenGL version string: 3.0 Mesa 11.2.0
> *OpenGL shading language version string: 1.30*
> OpenGL ES profile version string: OpenGL ES 3.0 Mesa 11.2.0
> OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
>
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