documentation

Pull request #2931: Feature/DEV-4305 7.0 D

Merge in WEB/documentation from feature/DEV-4305-7.0-D to release/7.0

* commit '093943bd31de41997855863bea97b546e3669d61': (27 commits)
  DEV-4305 temporary formatting to hide cloud section.
  DEV-4305 formatting.
  DEV-4305 updated a section.
  DEV-4305 minor corrections.
  DEV-4305 updated a link.
  DEV-4305 added a link to FAQ.
  DEV-4305 minor improvements.
  DEV-4305 removed redundant information and screenshots.
  DEV-4305 added more links.
  DEV-4305 formatting improvements.
  DEV-4305 fixed a comment block.
  DEV-4305 formatting, paraphrasing.
  DEV-4305 improvements, restructuring, formatting.
  DEV-4305 fixes and rearrangements, formatting improvements.
  DEV-4305 updates to upgrade and backups tabs, formatting and small improvements.
  DEV-4305 pages clarifications.
  DEV-4305 various improvements and clarifications.
  DEV-4305 added crosslinks, improved introductory page.
  DEV-4305 added an introduction page, formatting improvements.
  DEV-4305 wording and formatting improvements.
  ...