ubus: update to latest git head

adds support for events in the lua binding

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38678 3c298f89-4303-0410-b956-a3cf2f4a3e73
ubox: update to latest git head

support for specifying swap priority from the command line

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38679 3c298f89-4303-0410-b956-a3cf2f4a3e73