Merge pull request #32 from lmammino/master

Updated Documentation annotations on factories
Point to latest stable version of Gaufrette.
Use 0.2.0@dev at master branch
Add configuration for AclAmazonS3. Replaces #31
Merge pull request #38 from l3l0/fix/configuration-for-acl-amazon

Add configuration for AclAmazonS3.
Make sure definition is set in create
Merge pull request #41 from gavD/master

Bugfix: Acl Aware S3 factory could not set options