Update Website Configuration Property
Define several useful constants
Add EC2 instance types
Add VPC CIDR block /16 netmask
Add RDS DB instance classes
Add IncludeCookies to Logging property
Add support for CloudTrail and Logs
Termination Policies are implemented
Add PubliclyAccessible property to DBInstance
Merge branch 'master' of https://github.com/philtay/troposphere into philtay-master
Move pseudo parameters from constants to the base troposphere namespace
Merge branch 'philtay-master'