Code review comment for lp:~dimitern/goamz/vpc-api-calls

LGTM.

https://codereview.appspot.com/49930045/diff/100001/ec2/ec2.go
File ec2/ec2.go (right):

https://codereview.appspot.com/49930045/diff/100001/ec2/ec2.go#newcode177
ec2/ec2.go:177: return makeParamsWithVersion(action, "2011-12-15")
I'd stick "2011-12-15" in a const too. Nice adaptation to allow version
passing.

https://codereview.appspot.com/49930045/diff/100001/ec2/ec2t_test.go
File ec2/ec2t_test.go (right):

https://codereview.appspot.com/49930045/diff/100001/ec2/ec2t_test.go#newcode627
ec2/ec2t_test.go:627: func (s *ServerTests) deleteGroups(c *C, groups
[]ec2.SecurityGroup) {
This is somewhat ick, but I like that there's enough logging going on so
failures that hit the timeout should be clear enough.

https://codereview.appspot.com/49930045/