nss-myhostname: don't include assert.h twice
resolved: rework logic so that we can share transactions between queries of different clients
resolved: implement negative caching
resolved: most DNS servers can't handle more than one question per packet, hence let's not generate that
update TODO
networkd: set route protocol

All routes added by networkd are currently set RTPROT_BOOT, which according
to the kernel means "Route installed during boot" (rtnetlink.h).  But this
is not always the case as networkd changes routing after boot too.  Since
the kernel gives more detailed protocols, use them.

With this patch, user-configured static routes now use RTPROT_STATIC (which
they are) and DHCP routes use RTPROT_DHCP.  There is no define for IPv4LL
yet, so those are installed as RTPROT_STATIC (though perhaps RTPROT_RA is
better?).

[tomegun: fixup
src/network/networkd-link.c:972:33: error: too few arguments to function 'route_new_dynamic']
dhcp-network: remove unused DHCP6_STATE_RS

Probably a left-over from when router solicitations were
requested in the DHCP6 code.  But since they are now separate,
this state is no longer needed.
docs: remove repeating words from man/*xml
man: fix path for system-sleep hook directory
networkd: merge DNS and NTP entries when exporting

In the state files, do not distinguish where the various entries came from
(static or DHCP), but include them all in the same list.
resolved: don't read DHCP leases

networkd will expose both statically configured DNS servers and servers
receieved over DHCP in sd_network_get_dns(), so no need to keep
the distinction in resolved.
sd-network: expose DNS/NTP servers as strings

This avoids having to distinguish between IPv4 and IPv6, allowing us
to keep their internal orderings. The consumers now has to turn the
strings into addresses.
sd-event: add support for CLOCK_BOOTTIME

This requires a very recent kernel (3.15), so care should be taken
when using this functionality.
time-util: add clock_boottime_or_monotonic

CLOCK_BOOTTIME is not supported by timerfd on older kernels, so for the time beeing,
use this helper instead which will fallback to CLOCK_MONOTONIC if CLOCK_BOOTTIME is
not supported.
libsystemd-network: use CLOCK_BOOTTIME instead of CLOCK_MONOTONIC where possible

The timeouts in the networking library (DHCP lease timeouts and similar) should not be affected
by suspend. In the cases where CLOCK_BOOTTIME is not implemented, it is still safe to fallback to
CLOCK_MONOTONIC, as the consumers of the library (i.e., networkd) _should_ renew the leases when
coming out of suspend.
udev: exclude MD from block device ownership event locking

MD instantiates devices at open(). This is incomptible with the
locking logic, as the "change" event emitted when stopping a
device will bring it back.
networkd: ipv4ll - drop unnecessary get_address()
networkd: ipv4ll - default to setting up ipv4ll routes

This is necessary for non-ipv4ll hosts to communicate with ipv4ll-only hosts on the same link. Defaults
to being enabled, but can be opted out.

See: <http://avahi.org/wiki/AvahiAutoipd#Routes>
bus-proxyd: fix incorrect comparison

Err can't be bigger then zero. Rest of the code uses negative Exxxx values.
bus-proxyd: fix incorrect comparison

We should be interested in k variable.