AA: mac80211: merge ath9k fixes from bb

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@42647 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Merge remote-tracking branch 'upstream/master'
Added node-socket.io-client-legacy and node-socket.io-legacy
Added commented line in rc.local that disable kernel console debug messages
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Update from Arduino master

Merge branch 'master' of https://github.com/arduino/openwrt-yun