Add Jenkinsfile to have gerrit verifications back Change-Id: I8b661e280be94e5fd76d0d590a81f8911bc9ea79 Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui.tools/+/186708 Tested-by: Alexander Kurtakov <akurtako@redhat.com> Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>