updates for concept of arn
removes dependency on right_aws
updates aws-sdk gem
Cleanup and Comments
  * refactors arn? method out
  * found bug in README
  * adds deprecation comment
  * updates front-end docs to explain ARN
Merge remote-tracking branch 'origin/master' into sqs-updates
updates
a lot of new gems
Merge pull request #743 from github/sqs-updates2

Update SQS service hook