Drop ignored test.

I have a better idea.
doco
doco
doco
Bindings indexes bindings by field.
TupleMapper will output tuples from input tuples and hbase results.

Not done, but the vision is it merely forwards fields from the incoming tuple or hbase row in a way configured at creation.  Typing for attributes coming from HBase are supplied by a set of Bindings, presumably the output bindings of an owning HBaseComponent.

Typing for the fields forwarded from an input tuple is unnecessary.

I've just noticed that hbase results do not have a timestamp stream.  Rather, individual KeyValues (bags of qualifiers under a single column family) do.  I'm going to go tweak our binding model to account for this first.