Adjust Recommends for REPOSITORY_EXTRA feature + minor style improvements
puppet: Enable "Raw HTML" option and move systemMessage into View

It's no longer possible to provide the system message
with HTML strings, see https://issues.jenkins-ci.org/browse/JENKINS-22028
Bump Dependency on openjdk-6-jre-headless to openjdk-7-jre-headless

Make lintian happy:
| E: jenkins-debian-glue-buildenv-slave: depends-on-obsolete-package depends: openjdk-6-jre-headless
Release new version 0.9.0