initial cleanup task

releng.control/cleanupArtifacts.sh

@@ -14,7 +14,9 @@ fi
 # (where hours = 24 + (n * 24), basically, so that 
 # even n=0 means "1 day")
 
-n=4;
+# set at 10 days, under assumption that before that time, 
+# artifacts will be "saved" elsewhere, if needed.
+n=10;
 
 echo "    Removing artifact directories older than $n days";
 echo "        number of directories before cleaning: ";