- Add dependency to qtqmltest
 - Remove dependencies to obsolete documentation modules
 - Fix linking to WorkerScript QML type
 - Drop mention of deprecated/removed Active Qt example (Web Browser)
 - Fix conflicting page titles for 'Qt for VxWorks'
 - Update status of Qt Network Auth, Qt Speech from preview to
   add-ons.

Task-number: QTBUG-67980
Change-Id: Iae75cecd5cbac095a699abfa6ceef68337f67e12
Reviewed-by: Martin Smith <martin.smith@qt.io>