These are not useful any more, blobdb is fast

* refactor: factor out queue_for_replication()

* feat: BlobdbStorage.force_replication()

* feat: force_replication() in storage_utils.py

* feat: replicate_stored_objects_for_document

* feat: admin action to replicate Document blobs

* feat: admin action to replicate StoredObject blobs

* feat: admin action to replicate Blobs

* fix: use get_blobdb() helper

* fix: drop references to R2 in the admin

ietf-tools#10550)

* Draft for meeting registrations

* Add totals, + nicer JS code

* Coherent URL parameters

* Handle error case when per-continent stats is requested

* Remove redundant code

* Dynamic get the current IETF meeting

* Display %-age when hovering

* Add test for meeting statistics

* Add test

* Add statistics per affiliation

* More code coverage for test

* Nicer canonical affiliation

* Allow navigation by buttons

* Also add participants count in the legend

* Add timeline over meetings (total and per country)

* Default index refers to current meeting stats by number

* Remove unused JS code

* Add test coverage for timeline statistics

* No need to import test coverage

* Use stacked lines of onsite/remote when displaying the total timeline

* fix a comment

* Add timeline for affiliation

* Expanding the test coverage to affiliation timeline

* Remove unused botocore (unsure how it was added though)

* Remove unused package

* Code clean-up, add pan & zoom on timelines

* Fix button type

* refactor: avoid inline JS; safer JSON handling

* chore: lint

* feat: cache timeline stats

Pins the top_n parameter, which had not been plumbed
to be dynamically adjustable.

* chore: timeout->settings + drop stale setting

STATS_NAMES_LIMIT does not appear anywhere else in the
codebase

* refactor: wait for DOMContentLoaded + restyle

* fix: fix null checks

* test: update test_meeting_stats()

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Co-authored-by: Jennifer Richards <jennifer@staff.ietf.org>