Shows dialog when lib-jitsi-meet report microphone issues

Adds browser name as parameter.

Fix problem with last video preview

Use valid path for HTTP token fetches

Update lock icon when moderator changes state

Fixes random avatar

Removes avatar url from UI.

Moves local video thumb initializations where they belong.

Moves local video thumb initializations where they belong in the local video constructor. Fixes a problem when there is no video device, then audio levels and gsm bars are missing. We were doing this initializations every time a video device is changed.

Mod token improvements

Removes unused variable bottomToolbarEnabled.

Fix shortcut appearing in tooltip of wrong buttons

Removes storing avatarURL in localstorage and retrieving it.

Updates string for not found devices.

The user can be in case where there is no audio or no video device at all, so removing the requested word from the message.

Attach keyboard shortcuts to features

mod_auth_token: Misc minor fixes

Remove unnecessary cjson config

Add support for fetching public keys from a server to mod_auth_token

Fix hangup triggering multiple feedback windows