new linearity curves
Jira ticket: https://its.cern.ch/jira/browse/ATLASEG-240
Adding PS and S1 layers non-linearity curves to the code and updating the data files with new axis bins and TF1 from: https://its.cern.ch/jira/browse/ATLASEG-239
Binning used: 0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.37, 1.4, 1.46, 1.52, 1.6, 1.82, 2.0, 2.2, 2.37, 2.47, 2.5 (up to 1.82 for the PS)