Haketilo

sanitize `' tags containing CSP rules under Chromium

This commit adds a mechanism of hijacking document when it loads and injecting sanitized nodes to the DOM from the level of content script.

remove unneeded policy-related cosole messages; restore IceCat 60 compatibility

implement smuggling via cookies instead of URL

merge facility to install from Hydrilla

Revert changes to content/main.js to commit 25817b68c*

It turns out modifying the CSP headers in meta tags has no effect.

Facilitate installation of scripts from the repository

This commit includes:

• removal of page_info_server
• running of storage client in popup context
• extraction of some common CSS to a separate file
• extraction of scripts import view to a separate file...

[UNTESTED- will test] Add filtering for http-equiv CSP headers

Remove unnecessary imports of url_item and add a CSP header-parsing function

The parsing function isn't used yet; however, it will eventually be as a less
destructive alternative to handling headers as indivisible units.

add ability to query page content from repo and display it in the popup

Merge rebranding to "Hachette"