Added S3 Storage Class option
Merge branch 'add-s3-storage-class' of github.com:taeram/thumbd into add-s3-storage-class

Conflicts:
	README.md
	bin/thumbd.js
	lib/saver.js
deleted one too many lines in README.md.
Merge pull request #9 from bcoe/add-s3-storage-class

Add s3 storage class