UAS: Allow WebTools to autoupdate

[ukdtom]

We update every other plugin, so we should look into WebTools as well

[ukdtom]

Avaits #120

[ukdtom]

Backend fixed with c6ff580

Now needs so frontend work here.

See the doc in the commit

[ukdtom]

Fixed without 3.Party

[dagalufh]

Included in next update.