Don't close S3 connections with a stream response

I was overzealous in 2fb90e1ff4240d1
Merge pull request #113 from labisso/overzealous-s3-conn-closing

Don't close S3 connections with a stream response
[maven-release-plugin] prepare release dasein-cloud-aws-2013.07.11
[maven-release-plugin] prepare for next development iteration
CloudFront broke due to summer time change
Merge pull request #120 from maksimov/2013.07

CloudFront broke due to summer time change
[maven-release-plugin] prepare release dasein-cloud-aws-2013.07.12
[maven-release-plugin] prepare for next development iteration
Fixed a recursion bug and a few minor issues.
Merge pull request #129 from maksimov/2014.03

Fixed a recursion bug and a few minor issues.
FB 4309: correct max IOPS is 4000
Merge fix. XML streaming added to public image search to avoid OOP.
FB 4309: correct max IOPS is 4000
Fixed merge and restored after dodgy reset
[maven-release-plugin] rollback the release of dasein-cloud-aws-2014.03.2
Remove tests for release
[maven-release-plugin] prepare release dasein-cloud-aws-2014.03.2
[maven-release-plugin] prepare for next development iteration
Merge branch '2014.03'
Update version