Configurable attribute_consuming_service

v1.4.1

Configurable attribute_consuming_service.

Now using ruby-saml 1.0.0

v1.4.0

Now using ruby-saml v1.0.0.

ruby-saml adaptations

Merge pull request #35 from tomhipkin/hotfix/ruby-saml-update

Bump ruby-saml to version 0.8.1