installer: Remove a more or less arbitrary check of the swap size.

Except for boxes which have lots of memory combined with a very very
small disk, the installer gives a sane default for swap size by itself
and if the user doesn't change it, all will be good.

However, if the user did choose to adjust the swap size and if it was
to below the main memory size, this check caused it not to be activated
and no dumpdev was written to the rc.conf of the installed system.

Instead of guessing around how much swap is needed to hold a dump,
adding warnings and whatnot, just assume that anyone who tinkers with
the offered defaults is intelligent enough to know possible
consequences and accept their choice in any case.
kernel - Fix serialization bug in if_ath

* Fix a bug which was causing a serialization assertion to fail.
drm/i915: Modesetting code rework

* Video output handling, DPMS support and the modesetting part of the
  driver are now mostly in sync with Linux 3.8.13.

* We now have support for the new Haswell Digital Display Interfaces
  (DDI), which can be configured as DisplayPort, HDMI, DVI or eDP
  (embedded Displayport).
  We also support the Haswell Flexible Display Interface (FDI) used to
  drive VGA ports.

* This blog entry from Daniel Vetter contains more information:
  http://blog.ffwll.ch/2012/08/new-modeset-code.html

* This commit also adds a few unrelated changes which were hard to
  separate from the modesetting code. They are mostly about generic
  Haswell and Baytrail/Valleyview support and bugfixes or workarounds
  for older GPU issues.
dhclient - State engine for packet processing.

-  Time may have passed! Use cur_time in routing message processing.

Taken-from: OpenBSD
dhclient - Remove unused field 'next' from struct timeout.

- There's only one timeout now, not a list.

Taken-from: OpenBSD
dhclient - Don't print time_t as %d

- Cast to (int) just in case time_t ever changes size.
  Values in these cases are intervals, i.e. (time_t - time_t)
  so int/%d will be fine.

Taken-from: OpenBSD
dhclient - Don't store a time_t into an int.

- Make the variable time_t.

Taken-from: OpenBSD
dhclient - Don't abandon time_t precision for intervals.

- Use (long long) and %lld when printing, rather than (int)and %d.
  Follows idiom used for 64-bit size_t and off_t.

Taken-from: OpenBSD
dhclient - Add ignore keyword to conf file.

- Allows to ignore unwanted info from the server without
  necessarily speciyfing a supersede value.

Taken-from: OpenBSD
dhclient - Remove cur_time global.

- Junk global cur_time, and use time(NULL) or local variables where
  time is checked multiple times. Add a set_timeout_interval() function
  to allow setting a timeout based on an interval from current time.

- Fixes issues with initial startup where the global cur_time was
  always old and caused initial DHCPDISCOVER or DHCPREQUEST packets
  to be sent multiple times. And probably other timeout related
  oddities.

Taken-from: OpenBSD
dhclient - No point having two copies of this file

- This copy never got installed anyway.

Taken-from: OpenBSD
dhclient - Nuke some comments.

- Nuke a bunch of annoying "/* Send a packet. */" comments above
  invocations to send_packet(), and similiar combinations.

Taken-from: OpenBSD
dhclient - Nuke 'interfaces_invalidated' global variable.

- Since reinitialize_interface() was simply setting interfaces_invalidated
  to 0, nuke it too!
- Always update ifi->linkstat in dispatch() loop.

Taken-from: OpenBSD
dhclient - Missed a reinitialize_interface() declaration.

Taken from: OpenBSD
dhclient - Update reality correspondance of some comments.

Taken-from: OpenBSD
dhclient - When a link is lost, call dhclient-script with reason "FAIL".

- This does the resolv.conf dance and removes 'dead' routes, rather than
  leaving these droppings behind.

- When dhclient is exiting after calling dhclient-script with "FAIL",
  give the script a couple of seconds to finish. Also pass the lease
  parameters (old_*) to dhclient-script so routes can be cleaned up
  in this path too.

Taken-from: OpenBSD
dhclient - Refuse leases for already configured subnets.

Taken-from: OpenBSD
dhclient - Remove saved resolv.conf to avoid problems.

- Once resolv.conf.saved has been copied back as
  resolv.conf, delete it so it isn't copied again the
  next time a dhclient goes away.

Taken-from: OpenBSD
dhclient - Update OBSD Ids

- RFC changes to the manual pages already there.

Taken-from: OpenBSD
dhclient - Revert a4a242d4bd3b87eb38ccf205bb2784ada509ca3a

- Routing breaks if dhclient-script flushes the
  interface's routes when the interface is down.

Taken-from: OpenBSD