Python code to process raw BES logs that use the |&| separators.
Now contains code to download Cloud Watch logs.
log_processing.py: Turn bes logs into CSV, fix the times and split the log up by PID. download_logs.py: Download CloudWatch json for a given log group and date range. response_times.py: Take many 'timing.txt' files made by the hyrax500-2 client and build a single csv file that's easy to graph.