add findbugs plugin
add findbugs plugin

pnathan/jenkins-client,akarnani/jenkins-client,khmarbaise/jenkins-client,aerogear/java-client-api,ufna/jenkins-client,RisingOak/jenkins-client,mass/jenkins-client,aerogear/java-client-api,JasmeenKaur19/jenkins-client,shenhuarj/jenkins-client,rhels/jenkins-client,hamaron/jenkins-client,liuz7/java-client-api,liuz7/java-client-api,terabyte/jenkins-client