adblock: update 2.5.0

adblock: update 2.5.0

* revamp LuCI GUI (see luci repo for details)
* integrated runtime statistics in normal adblock ubus service instance
(see readme)
* simplified boot/init
    * no longer use raw interface trigger
    * use only network interface trigger, pre-configured for
'wan/wwan/lan' interfaces (see readme)
    * fixed a reload issue
* removed switch to disable tld compression (seems to be pretty stable)
* muted awk parser if source list contains incorrect records
* raise dns backend timeout to 20 seconds
* documentation update
* cosmetics

Signed-off-by: Dirk Brenken <redacted>