updated badges to svg
Refactoring Signatures to allow generic v4 presigned URLs

- Deprecating S3SignatureInterface
- Adding createPresignedUrl to SignatureInterface
Updating Amazon EC2 to latest version
Updating ElasticBeanstalk model to latest version
Updating OpsWorksClient to the latest version
Adding support for CopySnapshot presigned URLs

- Automatically computing a PresignedUrl value when copying snapshots
- Adding back the DescribeVpcPeeringConnections iterator
- Not adding Content-MD5 to the query string when signing URLs
2.6.5 release
Fixed regexp in isValidBucketName
Merge pull request #298 from Remper/master

Fixed regexp in isValidBucketName
Updated STS service description
Updated CloudSearch service description
Updated documentation to add some more clarity around the credential profiles and steer people towards its use.
Prepping for the 2.6.6 release.
Merge pull request #293 from liuggio/patch-1

updated badges to svg
Minor service description updates.
Updated the RedShift service description to include the newer cluster-related parameters.
fixed typo
Update docs templates
Fix typo causing VolumeAvailable, VolumeInUse and VolumeDeleted to fail silently
Adding support for Amazon SNS message attributes