convert GetFieldData ... untested
Merge branch 'dan_TDCS_ECS' of https://github.com/SCIInstitute/SCIRunGUIPrototype into TDCS_ECS
Adding colormap port to showfield module.
Remove slot to updateModuleErrorDialogOption.

Was causing a crash on Mac.
Add basic colormapping.
Add color map output from showfield.

Added necessary options to GeometryObject. Also corrected bug where the
ColorMapObject port was not being initialized.
Correct highest value output from ShowField.
Use different shaders for color mapping.
Performing necessary texture shader setup.
Upgrade spire and remove GPU state settings.

Will need to re-add GPU state settings. There are rendering artifacts in
this version.
Add gl-state module in order to correct rendering.
Add sampler at texture unit 0.
Normalize field data for fragment shader.
Add basic colormaping shaders.
Add phong colormapping shaders.
Load color mapping shaders.

Correct bugs in color mapping shaders.
Correct ColorMap factory clone method.
Ensure SRInterface copies mColorMap.
Fix mColorMap initializer list oversight.
Color mapping uniform should only be applied to faces.