600 fix reference to 2016 03
Correction on the docs before publishing the release.
- remove some wrong references to 2016.03 in the installation and upgrade parts,
- add some limitation on the Desktop Assistant,
- restructure webrtc part
Closes #600
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Correction on the docs before publishing the release.
Closes #600