connector: Support 201 RC

The connector for RESTEasy should support 201 (created) status code
returned by the calls it makes.

Signed-off-by: Mike Kolesnik <mkolesni@redhat.com>
quantum: Fix fluent API implementation

The implementation omitted the client thus making it fail with NPE.
Fixed by changing implementation to send the client in the constructor.

Signed-off-by: Mike Kolesnik <mkolesni@redhat.com>