added setreceived to types.Message interface and implemented it in the metric type.
will now set the received time in reader random and syslog.
writer file will now split the metricname into subfolders.
moved profiling in simplemond.
will now record processtime and processed in writer null.
added functions to record metric values to syslog.
added helper function to calculate the cumulative average.
now ignroing simplemond/bin folder.
will now record processtime and processed in file and null writer.