- 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

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

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

Make DELAY(9) reference pause(9).

mdoc: order prologue macros consistently by Dd/Dt/Os

Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by: ru
Approved by: philip, ed (mentors)

Use 'manual page' instead of 'man page' for consistency.

Approved by: re (hrs)

Mdoc Janitor:

* Fix hard sentence breaks.

* Correct use of a period in DELAY(9).

mdoc(7) police: Use the new .In macro for #include statements.

remove -*- nroff -*- thingy

mdoc(7) police: removed HISTORY info from the .Os call.

mdoc(7) police: normalize .Nd.

Fixed missing and/or wrong and/or extra includes in synopsis.

Document the DELAY() function.