Fix typo in debug/log statement.

Submitted by:	Rick Miller <vmiller@hostileadmin.com>
- Move davidxu to the alumni section

Approved by:	core (implicit)
Correct geli parameter.

PR:		188582
Submitted by:	Michael Hall
MFC after:	3 days
units(1): add libedit support

Add line editing and history support to units(1) via libedit.

Reviewed by:	bdrewery
units(1): parse config file after setting defaults

Parse the config file after setting the defaults to permit the user to change
things (e.g., editing mode)
Document the xdev* targets.

PR:		188519
Submitted by:	Idwer Vollering <vidwer at gmail.com>
Reviewed by:	bapt
MFC after:	1 week
Commit various fixes for the SolarFlare drivers, in particular
this set of patches fixes support for systems with > 32 cores.

Details include

sfxge: RXQ index (not label) comes from FW in flush done/failed events

Change the second argument name of the efx_rxq_flush_done_ev_t and
efx_rxq_flush_failed_ev_t prototypes to highlight that RXQ index (not label)
comes from FW in flush done and failed events.

sfxge: TXQ index (not label) comes from FW in flush done event

Change the second argument name of the efx_txq_flush_done_ev_t prototype to
highlight that TXQ index (not label) comes from FW in flush done event.

sfxge: use TXQ type as label to support more than 32 TXQs

There are 3 TXQs in event queue 0 and 1 TXQ (with TCP/UDP checksum offload)
in all other event queues.

Submitted by:	Andrew Rybchenko <Andrew.Rybchenko at oktetlabs.ru>
Sponsored by:   Solarflare Communications, Inc.
units(1): support reading multiple units files

GNU units(1) supports reading up to 25 -f options.  We support an arbitrary
number.
units(1): Add U option

For increased compatibility with GNU units: support a -U option which tests for the
existence of the default units file and prints it to the screen.
Prefer /etc/login.conf for some of these environment values.

PR:		conf/186085
Reported by:	Glen Neff <glen.neff@emc.com>
MFC after:	2 weeks
Sponsored by:	EMC
Fix err() usage in libcapsicum(3) example.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
Take into account when zpool history block grows exceeding 128KB in zpool(8)
and zdb(8) by growing the buffer on demand with a cap of 1GB (specified in
spa_history_create_obj()).

PR:		bin/186574
Submitted by:	Andrew Childs <lorne cons org nz> (with changes)
MFC after:	2 weeks
Add support for emulating the slave PIC.

Reviewed by:	grehan, jhb
Approved by:	grehan (co-mentor)