serialize_blocks_observer_impl
==============================

An observer for layers with blocked\_representation.  Apply an inner observer 
to
each block of the output of the layer, and concatenate the results.

Parameters
----------

Is a parameter_client that fills the parameters of its inner observer by copying
the names of those parameters and delegating setting of parameters to the inner
observer.

inner_type
----------

	some_sbo inner_type obstype

Set the subtype of the inner observer of `some_sbo` to be `obstype`.

inner
-----

	some_sbo inner

Return the inner observer of `some_sbo`.