Those files are no released in an free software-compatible licence, and as they are needed so we can continue to call Firefox, Mozilla Firefox, the minimum we should do is remove Firefox from the default install of Gobuntu, either replacing it with IceWeasel or with Epiphany.
Due to the request from another mailing list, here I post the list of files that are giving all this trouble: http:// lxr.mozilla. org/seamonkey/ source/ other-licenses/ branding/ firefox/
Those files are no released in an free software-compatible licence, and as they are needed so we can continue to call Firefox, Mozilla Firefox, the minimum we should do is remove Firefox from the default install of Gobuntu, either replacing it with IceWeasel or with Epiphany.