documentation

Pull request #50: Feature/ZBXNEXT-6999 6.0 D

Merge in WEB/documentation from feature/ZBXNEXT-6999-6.0-D to release/6.0

* commit '46832c86b2ee53e9a50028db531ab3e127888e5f': (65 commits)
  [ZBXNEXT-6999] updated permissions to edit services
  ZBXNEXT-6999 sla report time zone during upgrade
  ZBXNEXT-6999 service menu
  [ZBXNEXT-6999] adding screenshots
  ZBXNEXT-6999 service description macro
  punctuation fix
  ZBXNEXT-6999 sla report widget
  ZBXNEXT-6999 sla report page updated
  ZBXNEXT-6999 sla report page
  ZBXNEXT-6999 sla report page
  ZBXNEXT-6999 sla report widget
  ZBXNEXT-6999 numbering update for affected page
  ZBXNEXT-6999 numbering update for affected page
  ZBXNEXT-6999 numbering update for affected page
  ZBXNEXT-6999 numbering update for affected page
  ZBXNEXT-6999 sla report widget
  [ZBXNEXT-6999] sla widget page
  [ZBXNEXT-6999] sla widget page
  ZBXNEXT-6999 sla report widget
  ZBXNEXT-6999 sla page updated
  ...