Shebang and app notes added...

bridge.py

@@ -8,6 +8,8 @@
 # Creative Commons, 444 Castro Street, Suite 900, Mountain View,
 # California, 94041, USA.
 
+# This is a sample application to bridge traffic between IPSC networks
+
 from __future__ import print_function
 from twisted.internet.protocol import DatagramProtocol
 from twisted.internet import reactor

dmrlink.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+
 # Copyright (c) 2013 Cortney T. Buffington, N0MJS and the K0USY Group. n0mjs@me.com
 #
 # This work is licensed under the Creative Commons Attribution-ShareAlike

log.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2013 Cortney T. Buffington, N0MJS and the K0USY Group. n0mjs@me.com
 #
 # This work is licensed under the Creative Commons Attribution-ShareAlike
@@ -6,6 +8,8 @@
 # Creative Commons, 444 Castro Street, Suite 900, Mountain View,
 # California, 94041, USA.
 
+# This is a sample application that snoops voice traffic to log calls
+
 from __future__ import print_function
 from twisted.internet.protocol import DatagramProtocol
 from twisted.internet import reactor