- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Add IBM ServeRAID M5110 to the hardware list.
This is a rebranded MegaRAID SAS 2208 [Thunderbolt] found e.g. on x3550 M4.

Reported by: Ilia Noskov <noskov@nic.ru>
MFC after: 3 days

Indicate a bunch of new hardware support.

PR: docs/173893
Submitted by: Mathieu Simon <mathieu.sim@gmail.com>
Approved by: bcr (mentor)

IBM ServeRAID M5015 SAS/SATA works.

PR: 144614
Submitted by: pluknet <pluknet@gmail.com>
MFC after: 1 week

Add one more supported controller.

Submitted by: pluknet <pluknet@gmail.com>
MFC after: 1 week

Add IBM ServeRAID-MR10i to the hardware list.

Submitted by: pluknet <pluknet@gmail.com>
MFC after: 3 days

LSI MegaRAID 9260 works, sort the hardware list while here.

Submitted by: Jason <jhelfman@e-e.com>
MFC after: 3 days

Manual page for mfiutil(8) is in section 8 now.

Add mptutil(8) and mfiutil(1) to 'SEE ALSO' sections in mpt(4) and mfi(4).

Approved by: re (rwatson)

Note the driver support PERC and LSI1078 based controllers.

Prompted by: Vlad GALU

Teach the mfi(4) driver to handle requests from userland management
applications to add and remove volumes.

MFC after: 1 week
Approved by: re (bmah)
Reviewed by: ambrisko, scottl

Revise markup.

The MFI driver appears first in FreeBSD 6.1

Mention the module in the synopsis.

Mention that amr(4) supports older MegaRAID hardware and clean up the
last vestiges of example.4.

Add a manual page for mfi(4).