API: Updating error response codes
API: Updating error response codes

Follow source code: https://github.com/openstack/sahara/blob/master/sahara/utils/api.py#L187-L229

It should be updated status code for response request.

Change-Id: I8ee936ba033c28342b59ee5af6dd3e565ae38f22

openstack/sahara,tellesnobrega/sahara,openstack/sahara,tellesnobrega/sahara