Added descriptions to all scripts, checked functioning

demonstration scripts/generate_propagation_figures.py

@@ -1,9 +1,14 @@
 import numpy as np
 import sys
-sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Analyses/Python/Analytical/Fourier Optics')
+sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Documents/Published/FourierOptics GitHub release/')
 from fourierOptics import *
 import matplotlib.pyplot as plt
-from pdb import set_trace
+
+'''
+	Description:
+	This script generates the amplitude and phase information of all surfaces
+	in the MICADO paraxial model in a nicely presented form.
+'''
 
 if __name__ == '__main__':
 	plt.rc('font', family='serif')