Added GaussianMask parameters "std_dev" and "mean" to DriftingGratingStimulus/MWLibrary.xml
Added GaussianMask parameters "std_dev" and "mean" to DriftingGratingStimulus/MWLibrary.xml

mworks/mworks,mworks/mworks,mworks/mworks,mworks/mworks,mworks/mworks,mworks/mworks,mworks/mworks,mworks/mworks,mworks/mworks