EDIT

fixing #2529 (Remove dulicates in image tab)

fixing #2521 (Remove empty descriptions)

fixing #2543 (Distribution area texts missing in all portals)

avoid warninig

adding some docs

typo

ignoring test (imposible to test FloraMalesiana by now, database is changing to frequently)

fixing #2532 (Don't show file name for images if descritpion is given.)

fixing #2519 (Make DescriptionElement Media visible in Data Portal)

fixing #2537 (subordinate features in hierarchic feature trees missing in portal settings)