Added availability waiters for RDS instances.
Fixed permissions
Fixes as suggested.
Change BucketStyleListener to listen for command.after_prepare rather than command.before_send
Automatically retrying failed requests due to expired credentials
Adding a link to our new blog to the README
Merge pull request #95 from arlaneenalra/fix-create-presigned-url

Change BucketStyleListener to listen for command.after_prepare
Added magic access to iterators (i.e., $s3->getListBucketsIterator())
Added facade classes for simple, static access to clients (e.g., S3::putObject(...))
Using overwriteWith() rather than merge() for bringing in ACP params
Merge pull request #100 from jeremeamia/service-facade

Adding "facades" or the ability to use clients in a simple, static way
Merge branch 'master' of git://github.com/tomsmaddox/aws-sdk-php into rds-waiters
Updated the Changelog with entries for recent changes
Added support for using the ap-northeast-1 region to the Amazon Redshift client
Updated the Amazon RDS client to work with version 2013-05-15 of the RDS API
Documentation updates within several service descriptions and exception classes
Added convenience method for getting the URL of an Amazon S3 object. Works public and pre-signed URLs.
Fixed an issue so that creating presigned URLs using the Amazon S3 client now works with temporary credentials
Updates to README
Updated some words on the README