* qemud/default-network.xml: add a default network

        * qemud/Makefile.am: install it, and the autostart symlink

        * libvirt.spec.in: update

        * acinclude.m4: add LIBVIRT_COMPILE_WARNINGS, copied from
        GNOME but with a few more flags we'd been using.

        * configure.in: use that instead of setting CFLAGS
        directly.

        * proxy/Makefile.am, python/Makefile.am, qemud/Makefile.am,
          src/Makefile.am, tests/Makefile.am: use $(WARN_CFLAGS)

        * qemud/uuid.[ch]: add uuid generation code

        * qemud/Makefile.am: build it

        * qemud/conf.c: generate a UUID if not specified in the XML

        * qemud/libvirtd.in: add init script for libvirt_qemud

        * qemud/Makefile.am: install it unless we were configured
        with --with-init-scripts=none

        * configure.in: add --with-init-scripts to allow us
        have different flavour init scripts

        * qemud/Makefile.am: install libvirt_qemud in /usr/sbin
        instead of /usr/libexec

        * src/Makefile.am, src/qemu_internal.c: pass the correct
        path to libvirt

* qemud/Makefile.am: avoid -Werror
daniel

        * qemud/iptables.[ch]: add code for managing iptables
        rules.

        * qemud/Makefile.am: add iptables.[ch].

        * qemud/qemud.c: add and remove iptables rules as
        appropriate.

        * qemud/conf.c: when starting a guess, add a rule
        allowing it to forward packets across the networks
        bridge.

        * qemud/internal.h: add iptables context ptr

        * configure.in: add --with-iptables-dir and
        --with-iptables-prefix to allow us to put our rules
        in a chain with the given prefix and save the rules
        in files in the given dir so as to integrate with
        the proposed "service iptables restart" solution
        in:

           https://bugzilla.redhat.com/227011

        * configure.in: add --disable-bridge-params, check
        for libsysfs and various kernel headers

        * bridge.[ch]: add code for managing bridges

        * qemud/Makefile.am: add bridge.[ch] and link against
        libsysfs if enabled.

        * qemud/conf.c: add support for bridge config.

        * qemud/internal.h: add various bridging bits

        * qemud/qemud.c: implement qemudStartNetworkDaemon()
        and qemudShutdownNetworkDaemon().

        * conf.[ch]: rename from config.[ch] so we can use
        autoconf's config.h

        * Makefile.am: update

        * driver.c, qemud.c: upd.