Fix minor typos in the README
Merge pull request #47 from lackac/patch-1

Fix minor typos in the README
Add László Bácsi to the list of contributors
Add hint on how to define custom CloudFront settings
Add link to configure-s3-website documentation
Allow s3_id and s3_secret to be omitted

This enables deploying jekyll-s3 on EC2 instances with IAM roles.
The AWS SDK will automatically fetch temporary credentials.
Bump version to 2.7.0
Add David Michael Barr to the list of contributors
Merge branch 'iam-temporary-credentials'

Conflicts:
	README.md
Add doc on working with EC2 and IAM roles
Add an example of defining custom CF configs