openflow_input: expand standard-1.4
openflow_input: cleanup standard-1.4 whitespace
pyloxi: support new OF 1.4 inheritance hierarchies

I left a couple of existing ones commented out, since changing them now would
break users. In the future we can move them to their own modules and leave
references to them in place for compatibility.
loci: support embedding of_table_desc
loci: support special length member in OF 1.4 queue_desc
java: support embedding of_table_desc