Wiki format (rebased onto develop)



This is the same as gh-2523 but rebased onto develop.

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To test
* enter in the description of the object something like Image ID: 3.
* Check that the text is highlighted.
* Double-clicking on the link should open the viewer.


See https://www.openmicroscopy.org/community/viewtopic.php?f=6&t=7518&p=13986#p13986