Update README.md

Put `pixiecore` program first as it is what most users want

README.md

@@ -3,20 +3,21 @@
 [![license](https://img.shields.io/github/license/google/netboot.svg)](https://github.com/google/netboot/blob/master/LICENSE) [![CircleCI](https://img.shields.io/circleci/project/github/google/netboot.svg)](https://circleci.com/gh/google/netboot)     [![api](https://img.shields.io/badge/api-unstable-red.svg)](https://godoc.org/go.universe.tf/netboot)
 
 This repository contains Go implementations of network protocols used
-in booting machines over the network, as well as software that make
-use of those implementations.
+in booting machines over the network, as well as utilites built on top
+of these libraries.
 
 This is not an official Google project.
 
-The canonical import path for Go packages in this repository is `go.universe.tf/netboot`.
+## Programs
+
+- [Pixiecore](https://github.com/google/netboot/tree/master/pixiecore): Command line all-in-one tool for easy netbooting
 
 ## Libraries
 
+The canonical import path for Go packages in this repository is `go.universe.tf/netboot`.
+
 - [pcap](https://godoc.org/go.universe.tf/netboot/pcap): Pure Go implementation of reading and writing pcap files.
 - [dhcp4](https://godoc.org/go.universe.tf/netboot/dhcp4): DHCPv4 library providing the low-level bits of a DHCP client/server (packet marshaling, RFC-compliant packet transmission semantics).
 - [tftp](https://godoc.org/go.universe.tf/netboot/tftp): Read-only TFTP server implementation.
-- [pixiecore](https://godoc.org/go.universe.tf/netboot/pixiecore): the functionality of Pixiecore (see below), in library form. Every stability warning in this repository applies double for this package.
-
-## Programs
+- [pixiecore](https://godoc.org/go.universe.tf/netboot/pixiecore): Go library for Pixiecore tool functionality. Every stability warning in this repository applies double for this package.
 
-- [Pixiecore](https://github.com/google/netboot/tree/master/pixiecore): an all-in-one tool for easy netbooting.