HAP-757 - build plugin with JDK 8
HAP-757 - build plugin with JDK 8

JFrogDev/jenkins-artifactory-plugin,AlexeiVainshtein/jenkins-artifactory-plugin,AlexeiVainshtein/jenkins-artifactory-plugin,JFrogDev/jenkins-artifactory-plugin,AlexeiVainshtein/jenkins-artifactory-plugin,JFrogDev/jenkins-artifactory-plugin