changes:

- provide a list of known userscripts to user.
  USERSCRIPT_REPOSITORY_URL in the commited version of hook.js is currently hardcoded to "beham.biz"
  when the new server scripts are deployed to phob.net, the value should be changes as mentioned in the TODO
  the list of know userscripts is define in public/qlhmUserscriptRepository.js
- when a userscript was deactivated, the "Close" button is replaced with "Restart" and executes /web_reload
- userscript names are now links to the pages on userscript.org