Reported incorrect cores for cr1.8xlarge. As part of change, switched EC2 over to using the AWS pricing API for memory, ECU and virtual cores. Unforunately this does not work for RDS, so will keep the lookup tables a little longer.
Cleaning up approach to allow elimination of hard-coded memory, ecu and vcpu tables. New approach is do EC2 lookup and cache (since AWS pricing API for EC2 provides instance type meta data but RDS does not)
Merge pull request #33 from CloudHealth/fixing-incorrect-cores

Reported incorrect cores for cr1.8xlarge. As part of change, switched EC...