kamailio-4.x: enhance database modules (to make kamdbctl working)

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
asterisk-1.8.x: update to 1.8.32.0

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
asterisk-11.x: update to 11.14.0

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
Merge branch 'master' of http://git.openwrt.org/feed/telephony