add documentation

gstlal/bin/gstlal_fake_frames_pipe

@@ -16,6 +16,9 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
+## @file
+# An HTCondor DAG generator to recolor frame data
+
 """
 This program makes a dag to recolor frames
 """