This replaces the use of uci_validate_section() with
uci_load_validate(), which removes the need to declare local variables
for every config option.

This also adds a service_triggers() function and removes some
unnecessary curly brackets.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

Init script to start instances of socat for port-forwarding etc.

Signed-off-by: Henning Schild <henning@hennsch.de>