EUCA-6595 False Data Generator
EUCA-6594 CloudWatch on/off switch

Added 'ServiceDisabledException' to handle the on/off switch case
Refactored DescribeSensorCallback to allow mock data for instances
Modified several of the metric data files to allow for batch inputs to speed processing.
Merge branch 'testing' into dev/ethomas/EUCA-6595-2-merge
Merge branch 'dev/ethomas/EUCA-6595-2-merge' into testing