publish jar plus javadoc and sources
Merge pull request #245 from CoreMedia/plugin-jar

Create and publish plugin JAR
Revert "Create and publish plugin JAR"
Merge pull request #247 from jenkinsci/revert-245-plugin-jar

Revert "Create and publish plugin JAR"
Releasing 1.24
fixed artifact upload
fixed links
Bumping to next rev
drop Java 5 support

we have been using Java 6 API at least since 1.20, so I'm officially dropping Java 6 support although plugins depending on Jenkins <1.520 should support Java 5, see https://wiki.jenkins-ci.org/display/JENKINS/Java+5+Compatibility