------------------
- Fix i18n and update Brazilian Portuguese and Spanish translations (fixes `44`_).
[hvelarde]
- Set correct language information (fixes `43`_).
[hvelarde]
- Add support for the ``amp-sticky-ad`` tag.
[hvelarde]
- Fix support for the ``<amp-analytics>`` tag.
[agnogueira, hvelarde]
- Fix CSS error in logo position.
[kakshay21]
- Avoid exception when related items relation is broken.
[rodfersou]
- Fix loading order for main AMP script.
[hvelarde]
- Add class for social icon <div> tag.
[agnogueira]
- Move description to article header.
[agnogueira]
- Do not fail if an image doesn't have a ``src`` attribute,
or if it was referenced inside the body text as an external resource.
[hvelarde]
- Clean up invalid AMP HTML attributes (fixes `26`_).
[rodfersou]
- Explicitly disable any Diazo theme on the AMP HTML view.
[hvelarde]
- Use ``byline`` field (if present) to get the name of the content's author.
[hvelarde]
- Fix various exceptions raised when content has Archetypes based lead images.
[hvelarde]