unbound: update options for remote-control

Enhance the 'control' option to allow using SSL
to connect to the server. Add the 'extended_stats'
option to match 'extended-statistics: yes.'
Document the 'extended_luci' option; it does not
control Unbound, but changes the LuCI tabs.

Signed-off-by: Eric Luehrsen <ericluehrsen@hotmail.com>

net/unbound/files/unbound.uci

@@ -9,6 +9,8 @@ config unbound
 	option domain 'lan'
 	option domain_type 'static'
 	option edns_size '1280'
+	option extended_luci '0'
+	option extended_stats '0'
 	option hide_binddata '1'
 	option listen_port '53'
 	option localservice '1'