Re add MagentoSoapClientParameters #166
Refactor MagentoSoapClientParametersRegistry #166
Update MagentoSoapClientParametersRegistry #166
Update HasValidCredentialsValidator #166
Update Guesser #166

Replace MagentoSoapClientParameters by Registy one
Update UrlExplorer #166

Replace MagentoSoapClientParameters by registry
Inject Registry in HasValidCredentialsValidator #166
AbstractProcessors and MagentoItemStep now use Registry #166
Processors now use Registry #166