- 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

Remove redundant assignments to WARNS.

For these directories, WARNS is already implied to be 6.

Add firmware downloader for Atheros AR3011 based USB Bluetooth devices.

Hardware donated by: Rusty Nejdl rnejdl at ringofsaturn dot com
Tested by: Rusty Nejdl rnejdl at ringofsaturn dot com
Tested by: Andrzej Tobola ato at iem dot pw dot edu dot pl
MFC after: 3 weeks