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No validation has been attempted yet. Lots of changes left. This
is visibly not (very) different from the previous CSS layout. But
some simplifications have been made.

Might cause issues with local changes to themes and CSS. Also maybe
javascript which depends on certain legacy microformats elements.

The move to microformats2 is motivated by the announcement that all
microformats should be migrated to version 2, as of 2014-06-20 at:
http://microformats.org/2014/06/20/microformats-org-turns-9-upgrade-to-microformats2

* add sammyd to contributors
* sort contributors

Translator documentation added.
Superfluous whitespace removed.

* i18n updates: number parameters if more than one are being used

contributors to StatusNet. She created the identi.ca, laconi.ca, and
status.net logos.