remove unnecessary matlab dependence from JNLS_plotscripts

JNLS_plotScripts/ClassifyMin.py

JNLS_plotScripts/ClassifyMin_New.py

JNLS_plotScripts/Energy_ContourG+.py

JNLS_plotScripts/Energy_ContourG+_v4.py

JNLS_plotScripts/HelperFunctions.py

JNLS_plotScripts/PhaseDiagram.py

JNLS_plotScripts/Plot-1-ParameterFamily.py

JNLS_plotScripts/Plot-Angle-Alpha_intermediateGamma.py

JNLS_plotScripts/Plot-Angle-Alpha_intermediateGamma_v2.py

JNLS_plotScripts/Plot-Angle-Gamma.py

JNLS_plotScripts/Plot-Angle-GammaV2.py

JNLS_plotScripts/Plot-Angle-GammaV2_SubPlots.py

JNLS_plotScripts/Plot-Angle-q3.py

...cripts/Plot-AngleCurv-Alpha_intermediateGamma_SubPlots.py

JNLS_plotScripts/Plot-AngleCurvature-GammaV2_SubPlots.py

JNLS_plotScripts/Plot-Curvature-Alpha_intermediateGamma.py

JNLS_plotScripts/Plot-Curvature-Gamma.py

JNLS_plotScripts/Plot-Curvature-GammaV2.py

JNLS_plotScripts/Plot-Curvature-GammaV2_SubPlots.py

JNLS_plotScripts/Plot-Curvature-q3.py