+* Mon Sep 07 2009 Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr> - NodeUpdate-0.5-5
+- searches the extensions file /etc/planetlab/extensions rather than the former /etc/planetlab/extra-node-groups
+
+* Tue Apr 07 2009 Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr> - NodeUpdate-0.5-4
+- invokes 'yum clean all' before updates
+- as it is more reliable, although suboptimal
+
+* Tue Jul 08 2008 Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr> - NodeUpdate-0.5-3
+- more verbose : invoke yum with --verbose, and print timestamps
+
+* Fri Aug 10 2007 Faiyaz Ahmed <faiyaza@cs.princeton.edu>
+- Rebuild RPM Database nightly to avoid corruption
+- Move working directory from /usr/local to /usr/bin
+
+* Tue Nov 16 2004 Mark Huang <mlhuang@cs.princeton.edu>
+- cron job now dumps to /var/log/NodeUpdate instead of spewing mail
+- cron job now runs once a day instead of once an hour