lal_fake*ligosrc:

- correct and clarify copyright notices

gstlal/gst/python/lal_fakeadvligosrc.py

 # Copyright (C) 2010  Leo Singer
+# Copyright (C) 2010  Drew Keppel
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by the
@@ -19,6 +20,12 @@ http://lhocds.ligo-wa.caltech.edu:8000/advligo/AdvLIGO_noise_curves
 """
 __author__ = "Drew Keppel <drew.keppel@ligo.org>, Leo Singer <leo.singer@ligo.org>"
 
+#
+# The filter design is by Drew Keppel, who added the mkfakeadvLIGOsrc()
+# function to pipeparts.py in Apr 2010 (git hash 232ee6bf97).  The code was
+# subsequently ported to a stand-alone Python element by Leo Singer (git
+# hash c79657d297).
+#
 
 from gstlal.pipeutil import *
 from math import cos, pi, sqrt

gstlal/gst/python/lal_fakeligosrc.py

 # Copyright (C) 2010  Leo Singer
+# Copyright (C) 2009  Drew Keppel
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by the
@@ -16,6 +17,13 @@
 """Generate simulated initial LIGO h(t)"""
 __author__ = "Drew Keppel <drew.keppel@ligo.org>"
 
+#
+# The filter design in this code is by Drew Keppel originally commited to
+# the lloid_gui program in Jul 2009 (git hash d7e01fa5be6) and subsequently
+# migrated into pipeparts.py.  It was converted into a stand-alone Python
+# element by Leo Singer in 2010 (git hash c79657d297)
+#
+
 
 from gstlal.pipeutil import *