Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

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

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

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

Update for vaps:
o do not force monitor mode; the wlanX ifnet must be an ahdemo mode vap
o move channel change work before marking ifnet up to avoid churning
the state machine
o change default ifnet name to "wlan0"

Approved by: re (kensmith)

test programs for 802.11 packet injection

Submitted by: Andrea Bittau <a.bittau@cs.ucl.ac.uk>