Initial pass at updating archaius-aws to use the AWS Java SDK 1.9.  Note that
this builds and passes tests, but has not yet been operationally tested.
Merge pull request #200 from Castaglia/use-aws-sdk-java-1.9

Initial pass at updating archaius-aws to use the AWS Java SDK 1.9.  Note...

Code change seems straightforward to me. As long as the tests pass, I think it's safe even though I've never dealt with dynamo before.