Use http if no protocol was specified

Defaulting to https would be better, but a lot of sites don't support
it.

go/inquire/inquire.go

	"flag"
	"fmt"
	"net/http"
	"net/url"
	"os"
	"code.google.com/p/cascadia"
	flag.Parse()
	u := flag.Args()[0]
	url, err := url.Parse(u)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
	if url.Scheme == "" {
		u = "http://" + u
	}
	info, err := GetPageInfo(u)
	if err != nil {