Implement time stamp and improve reporter syntax.

The directory access time used so far is modified on every
ansible run and independent of the ansible module/playbook.

tools/collector

@@ -11,11 +11,11 @@ logdir="/tmp/collector"
 mkdir -vp "$logdir"
 
 nc -k -l -u -p "$port" | while read line ; do
-    sndr="${line%%:*}"
-    msg="${line#*: }"
+    sndr="${line%% *}"
+    msg="${line#* }"
     if [[ "$sndr" =~ [a-z0-9]+ ]] ; then
         if [[ "$msg" =~ ^-------\ .+\ -------$ ]] ; then
-            echo "$(date --rfc-3339=seconds) → Message from '$sndr' received."
+            echo "$(date --rfc-3339=seconds) → Report from '$sndr' received."
             echo "$msg" >  "$logdir/$sndr"
         else
             echo "$msg" >> "$logdir/$sndr"