fixed script version control for rendr_snippet function

tools/rendr/rendr_utils.sh

@@ -22,7 +22,7 @@ rendr_snippet(){
     echo "rendering $tmpR..."
 
     shift
-    rend.R --resprefix "$reportName" $tmpR $*
+    rend.R --resprefix "$reportName" $tmpR $* < /dev/tty
 
 #    rm -r $(dirname $tmpR)
     rm ${tmpR}