tidying header

src/new/thermal/FT_phase_map_from_thermal_lens.m

@@ -25,6 +25,7 @@
 %           paraboloid.
 % Rc:       Radius of curvature of approximate thermal lens [m]
 %
+% Part of the Simtools package, http://www.gwoptics.org/simtools
 % Charlotte Bond    27.01.2013
 %--------------------------------------------------------------------------
 %