Added GPL3 license to top of 'cheat' as required.

cheat

@@ -1,4 +1,22 @@
 #!/usr/bin/env python
+"""
+cheat.py    -- Quick, abridged man pages with examples (main routines)
+            Copyright (C) 2013, Chris Lane
+
+        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 Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
 import os
 import sys
 import subprocess