Redirect to /xd42/meta after upload

Fixes #51

handlers.go

@@ -198,6 +198,13 @@ func (rl *rushlink) viewCreateSuccess(w http.ResponseWriter, r *http.Request, p
 	if fu != nil {
 		fileExt = fu.Ext()
 	}
+	// Redirect to the new paste.
+	pasteURL := url.URL{
+		Path:     fmt.Sprintf("/%s%s/meta", p.Key, fileExt),
+		RawQuery: fmt.Sprintf("deleteToken=%s", url.QueryEscape(p.DeleteToken)),
+	}
+	http.Redirect(w, r, pasteURL.String(), http.StatusFound)
+	// But still render the page for CURL-like clients.
 	data := map[string]interface{}{
 		"Paste":         p,
 		"FileExt":       fileExt,