adblock-fast: update to 1.1.4-r12

adblock-fast: update to 1.1.4-r12

README:
* update header

Init-script:
* set an earlier start to get triggers to work
* better str_contains
* improve readability of json() by getting rid of cascading case statements
* add new errors/status messages to get_text()
* prepare get_text() for localization by switching to inline printf
* adjust shellcheck disable comments where needed
* parse unbound config for DNS hijack ports
* test if the archived cache exists on boot and proceed to use it if it does
* add trigger waiting status so that luci app can display correct status
* do not run adb_config_update on boot, speeding up trigger setup

Signed-off-by: Stan Grishin <stangri@melmac.ca>