Fixed default service system name generation from class name
Oauth::authenticate() integration tests
Oauth callback handler tests
ServiceBase::getCredentials() should not fail if service credentials not set
Oauth::is_initialized() tests and fixes
Oauth::sign_request() tests and fixes
Oauth::logout() test
Fix broken unit tests after changing Authentication base class constructor signature
include sensitive-test-data.php in repo until we find out how to be able to run tests in travis without sharing secrets