ubus: update to latest version, fixes a crash on request cancelling

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36766 3c298f89-4303-0410-b956-a3cf2f4a3e73
uhttpd: update to latest version, fixes script timeout for ubus requests

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36767 3c298f89-4303-0410-b956-a3cf2f4a3e73