Added i2 instance class. Added missing g2.2xlarge type. Changed ramSizeInMb to more accurately reflect use of gibibyte values. Note: cc1.4xlarge is still listed even though it's removed from ec2 product page. #58
Merge pull request #59 from TheWeatherCompany/i2-instance-types

Added i2 instance class. Added missing g2.2xlarge type. Changed ramSizeI...