added -XX:MaxPermSize=128m surefire parameter, needed to avoid problems during test execution
added -XX:MaxPermSize=128m surefire parameter, needed to avoid problems during test execution

cornelf/scm-sync-configuration-plugin,jenkinsci/scm-sync-configuration-plugin,jenkinsci/scm-sync-configuration-plugin,Sauraus/scm-sync-configuration-plugin,Sauraus/scm-sync-configuration-plugin,Sauraus/scm-sync-configuration-plugin,cornelf/scm-sync-configuration-plugin,cornelf/scm-sync-configuration-plugin,jenkinsci/scm-sync-configuration-plugin