adding GPL info

diff --git a/switcheroo.sh b/switcheroo.sh
index 616f100..e0feffc 100755 (executable)
--- a/switcheroo.sh
+++ b/switcheroo.sh
@@ -3,6 +3,19 @@
 # (c) Copyright 2013 Georgia Public Library Service
 # Chris Sharp <csharp@georgialibraries.org
 #
+#    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/>.
+#
 # A utility to ease database server administration by reconfiguring
 # which database is used for reports queries.  It assumes that you're
 # running pgpool to balance the load between two servers named db02 and