Imports of package v2

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/gorilla/muxPackage mux implements a request router and dispatcher.
ioPackage io provides basic interfaces to I/O primitives.
net/httpPackage http provides HTTP client and server implementations.
net/urlPackage url parses URLs and implements query escaping.