Bump buildroot to pull in wpa_supplicant fix
Add UTF-8 settings to configs to fix Elixir UTF-8 warning
rpi-wifi: add wifi support to Raspberry Pi

This only supports one kind of wifi dongle, but it's going in the right
direction.
busybox config: enable udhcpc
Fix libconfuse patch now that br checks for patch failures

This is needed before upgrading to buildroot 2014.08. 2014.05 didn't
do the check, so it works fine without the patch.
Bump br version to 2014.08-rc3
Update 3.8 Linux kernel for BBB
Update BBB 3.8 kernel and add 3.14 kernel

The 3.14 kernel support is very lightly tested, but boots.
Synchronize our RPi config with Buildroot's new one

It looks like this just pulls in some fixes from the Raspberry Pi
foundation.
Bump br to official 2014.08 release
elixir: bump to v1.0.0-rc1