• Remove unused ResourceInfo. #2612
• Add RouterBuilder::push. #2612
• Change signature of ResourceDef::capture_match_info_fn to remove user_data parameter. #2612
• Replace Option<U> with U in Router API. #2612
• Relax bounds on Router::recognize* and ResourceDef::capture_match_info. #2612
• Quoter::requote now returns Option<Vec<u8>>. #2613