A number of boto modules such as ec2 use the old, non-region-aware endpoints such as ec2.amazonaws.com rather than ec2.us-east-1.amazonaws.com. This causes certificate validation to fail if it is enabled in your boto config file.
These default endpoints should be changed to us the us-east-1 endpoints by default rather than the non-region-aware endpoints.
Changing default endpoints for some of the older services to be regio…
…n-aware to avoid certificate validation issues. Closes #530.
Correcting some of the changes made to default endpoints. Related to #…