TODO

Bugs and new features:
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See https://bugs.debian.org/tracker.debian.org for almost everything.

Refactoring:
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* Create a generic task downloading data from an URL and transforming it
  into action items.
* Handle octicons through a template tag which ensures we have proper
  fallback for screen readers and text-mode (non CSS-aware) browsers.
  cf #753800
* Template tag for bootstrap pagination widget.

Misc possible enhancements:
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* Add a subscriber count on each package page (and put
  subscription-related actions in the same panel).
* Paul Wise's input: https://lists.debian.org/debian-qa/2014/07/msg00092.html
* Re-enable a smarter clickjacking protection: only activate it when the
  page is rendered for a logged in user and allow callers to pass a
  "anonymous=1" parameter that will force render the web page as if
  the user was not authenticated. This requires writing a dedicated
  Middleware.

Bootstrap 4 port
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* replace panel by card