Use https instead of http where possible Many of the external links found in the notmuch source can be resolved using https instead of http. This changeset addresses as many as i could find, without touching the e-mail corpus or expected outputs found in tests.
notmuch-report.json: Rename from status-config.json status-config.json wasn't obviously associated with the old nmubg-status, now notmuch-report. The new name is ${CONFIGURED_SCRIPT}.json, so the association should be clear.