ajout de l'option client.backoff dans les possibilités de config
fixed url and replaced "account" by "AWS user"
used vocabulary from aws documentation
phpdoc
add validation paramater in order to http://docs.aws.amazon.com/aws-sdk-php/guide/latest/performance.html#turn-off-parameter-validation
booleanNode
Merge pull request #23 from baruica/patch-1

fixed url and replaced "account" by "AWS user"
Merge pull request #21 from M6Web/feature/client-backoff

ajout de l'option client.backoff dans les possibilités de config
Merge pull request #24 from M6Web/feature/disable-aws-paramter-validation

Feature/disable aws parameter validation
Merge branch 'master' into feature/allow-credentials-cache

Conflicts:
	src/M6Web/Bundle/AwsBundle/DependencyInjection/Configuration.php
	src/M6Web/Bundle/AwsBundle/Resources/config/services.yml