522 configure for WebRtc
- generate TLS keys - see https://wiki.asterisk.org/wiki/display/AST/Secure+Calling+Tutorial
- update rtp.conf
Closes [#522]9https://projects.xivo.solutions/issues/5220
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Closes [#522]9https://projects.xivo.solutions/issues/5220