WebAudit: Use verbose mode

vars/audit.groovy

@@ -101,6 +101,7 @@ def call() {
                         -e W3AF_AUTH_FORM_CHECK_STRING='${params.authFormCheckString}'
                         -e W3AF_AUTH_FORM_USERNAME_FIELD='${params.authFormUsernameField}'
                         -e W3AF_AUTH_FORM_PASSWORD_FIELD='${params.authFormPasswordField}'
+                        -e W3AF_VERBOSE='True'
                         """
                         timeout(params.auditTimeout.toInteger()) {
                             w3afImage.inside(dockerArgs) {