Using rds2 allows tags and the control over whether or not DBs are
publicly accessible.
Move RDS towards a pair of interfaces implementing the details of rds
and rds2
Added tests to ensure that all operations work correctly as well as
requirements files that allow virtualenvs to test either boto.rds or
boto.rds2
Or is "rules_egree" supposed to be a plural? The sentence is difficult to parse.
Maybe the correct fix is to "Purge existing rules on security group that are not found in rules_egress"?