Merge pull request #12 from tvaughan77/master

Centralizing some common properties and updating PMD plugin to know about our targetJDK
[maven-release-plugin] prepare release opower-parent-1.2.2
Merge branch 'master' of github.com:opower/opower-parent
[maven-release-plugin] prepare for next development iteration
RE-1661 fixing typo in our release:prepare configuration