some more docs

net/mux/mux.go

+// package mux implements a protocol muxer.
 package mux
 
 import (

net/net.go

+// package net provides an interface for ipfs to interact with the network through
 package net
 
 import (

pin/pin.go

+// package pin implemnts structures and methods to keep track of
+// which objects a user wants to keep stored locally.
 package pin
 
 import (

server/http/http.go

+// package http implements an http server that serves static content from ipfs
 package http
 
 import (

unixfs/io/doc.go

+// package unixfs/io implements convenience objects for working with the ipfs
+// unixfs data format.
+package io