addes --s3-bucket option
added --cloudtrail-dir, --events-dir, --discard-bad-logs and --verbose options
moved get_data_from_json_file and get_data_from_gz_file into cloudtools/fileutils.py
removed exc_info from logs
removed print
updated command line options for aws_process_cloudtrail script
added long_stopped()
updated _messages; fixed downtime
removed EXPECTED_*, KNOWN_TYPES, updated report for impaired instances
added report()