re-introducing copyright string as command

bin/alot

@@ -1,3 +1,20 @@
 #!/usr/bin/env python
+
+# This file is part of alot, a terminal UI to notmuch mail (notmuchmail.org).
+# Copyright (C) 2011 Patrick Totzke <patricktotzke@gmail.com>
+# 
+# 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/>.
+
 from alot.init import main
 main()