Metamask-extension: Self-Host Firefox via Github Releases

[kumavis]

https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/jpm#Supporting_updates_for_self-hosted_add-ons
https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/package_json#updateLink

It may be possible to self-host firefox extensions on github
There are two parts, the update manifest and the extension xpi file

[danfinlay]

Covered in #522, but this will represent just doing the MVP, self-signed firefox addon.

[alan-andrade]

Is it possible to have metamask on firefox ?

[leafcutterant]

Any hopes for this being revived? I would very much like to see the addon XPI hosted on GitHub so that Mozilla is removed from the trust chain!