- 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

Document r270997, zdb(8) included in /rescue.

Sponsored by: The FreeBSD Foundation

Document r270810, hptnr(4) update to 1.0.1.

Sponsored by: The FreeBSD Foundation

Document r267849, cxgbe(4) T4 and T5 firmwares update.
Add Chelsio vendor.ent entry.

Sponsored by: The FreeBSD Foundation

MFC r265590, r265594, r265595, r265599 [1], r265601 [1],
r265602 [1], r265603 [1], r265605 [1], r265607 [1],
r267554 [1]:

r265590:
Modify release.xsl to allow proper attribution for
sponsored and/or contributed works.

r265594:
Add two new entity files in followup to r265590,
sponsor.ent and vendor.ent, which will be used for
sponsor/vendor names and URLs.

r265595:
Add references to sponsor.ent and vendor.ent in
relnotes/article.xml and share/xml/catalog.xml.

r265599:
Add DARPA, AFRL to sponsor.ent.

r265601:
Add LSI and Spectra Logic to sponsor.ent.

r265602:
Add Netgate to sponsor.ent.

r265603:
Add a note to keep the entity lists sorted alphabetically.

r265605:
Add Google to the sponsor.ent file.

r265607:
Separate &darpa; entity and create &darpa_afrl to
avoid confusion.

r267554:
Add &citrix; and &citrix.rd; macros.

[1] - Partial, entity addition only.

Sponsored by: The FreeBSD Foundation

Add two new entity files in followup to r265590,
sponsor.ent and vendor.ent, which will be used for
sponsor/vendor names and URLs.

Sponsored by: The FreeBSD Foundation