documentation

Pull request #2976: Feature/DEV-4394 7.0 D

Merge in WEB/documentation from feature/DEV-4394-7.0-D to release/7.0

* commit '1d2a2b955238f62a221a08f45d6aaa938f26b719':
  DEV-4394 fixed a codeblock.
  DEV-4394 removed redundant spaces.
  DEV-4394 added info about ha.
  DEV-4394 comment block test.
  DEV-4394 Fixed comment block.
  DEV-4394 added more links, fixed formatting, added missing entry.
  DEV-4394 added a link.
  DEV-4394 added links.
  DEV-4394 minor fixes.
  Dev-4394 added a table, formatting.
  DEV-4394 initial draft.