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Pull request #1999: feature/DEV-3914-7.2-D. restricted mediatype.get for Admin type users.

Merge in WEB/documentation from feature/DEV-3914-7.2-D to release/7.2

* commit 'aa53711a74d4f6d909d7098a96573f4f11823f34':
  [DEV-3914] updated special `output` parameter to have special description
  [DEV-3914] updated "output" and "mediaids" parameter; refined noteclassic and example
  [DEV-3914] removed redundancy from "filter" parameter description
  [DEV-3914] added line breaks
  [DEV-3914] restricted mediatype.get for Admin type users
  [DEV-3914] refined changelog
  [DEV-3914] fixed media type object "script" property type
  [DEV-3914] refined changelog
  [DEV-3914] fixed media type object "description" property type
  [DEV-3914] restricted mediatype.get for Admin type users
  [DEV-3914] fixed punctuation
  [DEV-3914] made example description consistent with other examples
  [DEV-3914] removed unnecessary sentence
  [DEV-3914] fixed blockID
  [DEV-3914] made "search" parameter description consistent
  [DEV-3914] restricted mediatype.get for Admin type users