Tidy sample server up and add some more forms of server.
Tidy sample server up and add some more forms of server.

Shraddha512/rust-http,chris-morgan/rust-http,servo/rust-http,chris-morgan/rust-http,servo/rust-http,chris-morgan/rust-http,Shraddha512/rust-http,Shraddha512/rust-http,servo/rust-http,chris-morgan/rust-http,Shraddha512/rust-http,Shraddha512/rust-http,servo/rust-http