Upgrade to Hyper 1.x

[urkle]

Phase 1: ( https://hyper.rs/guides/1/upgrading/ )

• enable backport and deprecated features on hyper
• update code from deprecated recommendations

Phase 2: update to hyper 1.x

update crates

• hyper 1.1
• http 1.0
• multer 3.0
• headers 0.4.0

add crates

• hyper-util 0.1.2
• http-body 1
• http-body-util 0.1.0

Issues so far in phase 2

• Incoming::empty() is private
• AsyncRead not implemented for hyper::upgrade::Upgraded
• Incoming::wrap_stream() removed!
• make_service_fn removed
• hyper::Server removed (along w/ builder)
• no hyper::server::conn::AddrStream
• no hyper::server::conn::AddrIncoming
• switch Client to hyper_util?