Update headers in examples

examples/autotimebot.py

-# Written in 2015-2016 by nickolas360 <contact@nickolas360.com>
-#
-# To the extent possible under law, the author(s) have
-# dedicated all copyright and related and neighboring
-# rights to this software to the public domain worldwide.
-# This software is distributed without any warranty.
-#
-# You should have received a copy of the CC0 Public Domain
-# Dedication along with this software. If not, see
-# <http://creativecommons.org/publicdomain/zero/1.0/>.
+#!/usr/bin/env python3
+# To the extent possible under law, the author(s) have dedicated all
+# copyright and neighboring rights to this software to the public domain
+# worldwide. This software is distributed without any warranty. See
+# <http://creativecommons.org/publicdomain/zero/1.0/> for a copy of the
+# CC0 Public Domain Dedication.
 from __future__ import print_function
 from pyrcb import IRCBot

examples/timebot.py

-# Written in 2015-2016 by nickolas360 <contact@nickolas360.com>
-#
-# To the extent possible under law, the author(s) have
-# dedicated all copyright and related and neighboring
-# rights to this software to the public domain worldwide.
-# This software is distributed without any warranty.
-#
-# You should have received a copy of the CC0 Public Domain
-# Dedication along with this software. If not, see
-# <http://creativecommons.org/publicdomain/zero/1.0/>.
+#!/usr/bin/env python3
+# To the extent possible under law, the author(s) have dedicated all
+# copyright and neighboring rights to this software to the public domain
+# worldwide. This software is distributed without any warranty. See
+# <http://creativecommons.org/publicdomain/zero/1.0/> for a copy of the
+# CC0 Public Domain Dedication.
 from __future__ import print_function
 from pyrcb import IRCBot