Added vserialize and vdeserialize temporarily, to smooth versioning templatization of serialization functions.
Added handy preprocessor lines.
Some #include mongering.
Removed pointless RSI comment.
Removed useless boost::function forward declaration.
Made changefeed::client_addr_t and changefeed::server_addr_t.
Updated generate_rpc_templates.py to actually generate recent changes in mailbox/typed.hpp.
Merge branch 'v1.13.x' into sam_2537
Improved temporary preprocessor conditional in versioned.hpp.
Added vserialized_size, serialized_size_for_version.
Made note_el not be pointlessly templatized.
Made most, hopefully all serialization functions be templatized.
Merge branch 'v1.13.x' into sam_2537
Renamed cluster_version_t::LATEST_VERSION to ...::LATEST.
Removed the serialize_onto_blob and deserialize_from_blob functions.
Shortened names of variant deserialization stuff.
Removed TODO and RSI comments.
Added helpful comments.
Fixed a comment that was removed.
Removed some RSIs.