Use the document URL to match exceptions
Use the document URL to match exceptions

This should fix many cases where the block rules weren't applied. This
also adds "third-party" support, which should fix sites that were
blocked previously (e.g., gmail.com).

mozilla-mobile/focus-ios,mozilla-mobile/focus,mozilla-mobile/focus-ios,mozilla/focus,justindarc/focus,mozilla-mobile/focus-ios,justindarc/focus,justindarc/focus,justindarc/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,koehlermichael/focus,mozilla-mobile/focus-ios,koehlermichael/focus,justindarc/focus,mozilla/focus,mozilla-mobile/focus,koehlermichael/focus,koehlermichael/focus,mozilla/focus,mozilla-mobile/focus,mozilla/focus,justindarc/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus,mozilla/focus,koehlermichael/focus,mozilla-mobile/focus