Upgrade findbugs 1.3.8 -> 1.3.9
Upgrade findbugs 1.3.8 -> 1.3.9

The 1.3.8 version has a bad POM for jsr305 artifact (incorrect artifactId)
Also this syncs the version with some other projects

lucasponce/hawkular-commons,lucasponce/hawkular-commons,hawkular/hawkular-commons,hawkular/hawkular-commons,hawkular/hawkular-commons,lucasponce/hawkular-commons,hawkular/hawkular-commons,lucasponce/hawkular-commons