Proactively limits oauth version

What's Changed

• Add sign_out helper for request specs by @cupakromer in #35
• Add radius-spec and reviewdog by @cupakromer in #37
• Allow ActionController::Params as the data root by @cupakromer in #36
• fix travis-ci by @syoder in #43
• update faraday dependency to match oauth2 gem by @syoder in #42
• Modifies cookie cache value check to also check with redis-based value by @lankyfrenchman in #41
• Updates authentication check by @lankyfrenchman in #45
• allow the gem to pass through org/service/roles info by @syoder in #47
• allow organization_roles to be passed through to client by @syoder in #48
• Allow host app to configure redis client options by @yarmiganosca in #49
• Lockdown 'oauth2' to version under 2 by @armahillo in #51

New Contributors

• @lankyfrenchman made their first contribution in #41
• @yarmiganosca made their first contribution in #49
• @armahillo made their first contribution in #51

Full Changelog: v0.4.2...v0.4.3