restored old method appendNotes

Jenkinsfile

@@ -183,12 +183,16 @@ def printReport(report) {
         text += "\n"
     }
     println text
-    sh("""
-        printf "%s" $text > $WALKER_NOTES
-    """)    
+    appendNotes(text)    
     
 }
 
+def appendNotes(report) {
+     sh("""
+        echo -e "${report}" > $WALKER_NOTES
+     """)
+}
+
 // print the final report
 def saveReport(report) {
     def text = ''