title: Regularization in TensorFlow using tf.contrib.layers.fully_connected
body: <p><code>fully_connected</code> has a named parameter called <code>weights_regularizer</code> which accepts the regularizers provided by <code>tf.contrib.layers</code>, however it is not clear the trainers are able to find these regularization loss tensors or if we have to manually add them to the total loss.</p>
  
  <p>Could somebody provide an example of regularization using <code>fully_connected</code>?</p>