libubox: sync with trunk r35128

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@35252 3c298f89-4303-0410-b956-a3cf2f4a3e73
ubus: sync with trunk r35141

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@35253 3c298f89-4303-0410-b956-a3cf2f4a3e73
netifd: sync with trunk r35251

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@35254 3c298f89-4303-0410-b956-a3cf2f4a3e73