Haketilo

fix whitelisting under Firefox

refactor 3 miscellaneous fnctionalities to a their single own file

emply an sh-based build system; make some changes to blocking

gather all copyright info in 'copyright' file

Fix storage initialization on Icecat 60

This patch fixes storage initialization on Gecko browsers by switching from
using a background page to using a list of scripts. It remains a mystery why
that should have any effect; the only hint is that browser.runtime.onInstalled...

remove unused source files

when possible inject CSP as http(s) header using webRequest instead of adding a tag

change licenses

support wildcard urls in settings

only allow a single injection payload for page, rely on script bags for complex payloads