- Copy stable/10@285827 to releng/10.2 in preparation for 10.2-RC1
builds.
- Update newvers.sh to reflect RC1.
- Update __FreeBSD_version to reflect 10.2.
- Update default pkg(8) configuration to use the quarterly branch.[1]

Discussed with: re, portmgr [1]
Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC ixgbe commits for 10.2:

- r280182 - Split the driver into independent pf/vf loadables
- r280197 - Resolve build issues
- r280204 - Fix multiple same-name devclasses
- r280228 - Fix i386 LINT build issues / remove unused variable
- r280252 - Fix building ixgbe with gcc
- r280962 - Make changes to busdma code similar to r257541
- r281772 & r281773 - Remove unused variable
- partial r282280 - stats counter update (ix-only)
- r282289 - Add X550 support
- r282290 - Add X550 makefile updates
- r282293 - Add ixgbe_x550.c to conf/files
- r282299 - Fix gcc compile (extraneous extern declaration)

Finally, add ix_txrx.c to conf/files because it's required for compile in stable/10.

Approved by: jfv (mentor)

Update to the Intel ixgbe driver:
- Split the driver into independent pf and vf loadables. This is
in preparation for SRIOV support which will be following shortly.
This also allows us to keep a seperate revision control over the
two parts, making for easier sustaining.
- Make the TX/RX code a shared/seperated file, in the old code base
the ixv code would miss fixes that went into ixgbe, this model
will eliminate that problem.
- The driver loadables will now match the device names, something that
has been requested for some time.
- Rather than a modules/ixgbe there is now modules/ix and modules/ixv
- It will also be possible to make your static kernel with only one
or the other for streamlined installs, or both.

Enjoy!

Submitted by: jfv and erj