Added descriptions to all scripts, checked functioning

scripts/SPIE/Thesis/retrieving_average_tilt.py

@@ -4,7 +4,14 @@ from numpy.polynomial import polynomial
 import sys
 sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Documents/Published/FourierOptics GitHub release/')
 from fourierOptics import *
-from pdb import set_trace
+
+'''
+	Description: This script loads the already generated WFEs and performs a 
+				 linear fit on them. This is then used to find the average tilt
+				 over the beam footprint.
+				 Used for the discussion section of Ch. 3 in my PhD Dissertation.
+'''	
+
 
 def polyfit2d(x, y, z, deg):
 	x = np.asarray(x)