add sample for simple queue
show friendly message on invalid queue name
Merge branch 'master' of git://github.com/amazonwebservices/aws-sdk-for-ruby
add sample for simpledb
Added a sample for SNS that publishes a message to a topic
simple create/delete/set_state CloudWatch Alarms sample
CloudWatch Alarm changing state via custom metric sample
Use Object#to_enum instead of Enumerator.new without a block

Fix warning
warning: Enumerator.new without a block is deprecated; use Object#to_enum
fix expired_credentials? expired token error code name: at least sqs service response different error code causing auto refreshing iam temp credentials does not work
Added bootstraping classes for DataPipeline.
Added autoloading hooks for DataPipeline.
Update DataPipeline model and client
Add integration tests for DataPipeline service
Split Core::RESTClient and associated classes into RESTJSONClient and RESTXMLClient.
Improved sigv4 implementation, possible fewer checksums calculated.

This is especially important for glacier support where the sigv4
body checksum is the same as the content sha256 hash header required
for streaming uploads.
Added a blob handler to the request option validator.
Added Glacier client and api configuration.
Updated the JSON serializer to work with request payload rules.
Added a few higher level abstractions to AWS::Glacier.
Merge pull request #103 from sanemat/fix/enumerator-new

Use Object#to_enum instead of Enumerator.new without a block