Added descriptions to fetch_doc and roll_release

fetch_doc.rb

@@ -1,4 +1,10 @@
 #!/usr/bin/env ruby
+#
+# fetch_doc.rb
+#
+# Fetch the documentation from the wiki and translate it
+# to be human readable.
+#
 
 require 'open-uri'
 

roll_release.sh

@@ -1,4 +1,10 @@
 #!/bin/sh
+#
+# roll_release.sh
+#
+# Rolls a distribution tarball from the svn trunk
+# and performs basic QA checks.
+#
 
 TRUNK_PATH="./pam_usb"