PE-243: update copyright years in Cloud Provisioner

This updates the copyright dates to reflect copyright-relevant changes in both
2012 and 2013 made in this project.  No functional change.

Signed-off-by: Daniel Pittman <daniel@rimspace.net>
Merge pull request #110 from daniel-pittman/bug/master/pe-243-update-copyright-dates

PE-243: update copyright years in Cloud Provisioner