Should help keeping the database/backups a bit smaller.

Closes #2959

* Broadcast Central

* Change name to Stream_Cast

Additionally:
- Remove wrong translation for custom fields
- Move save custom field code to function

* Remove uncessary log

* Refactor login/registration code

* New setting to add custom translations

* Add option to not require password confirmation on signup

* Add Custom Fields for registration

* Closes #4036; Do nore remove roles when editing user data

* Add arrow to indicate fields of type select

* rest api add all user to channel

* limit number of users

* Admin Option to set User add limit

* check for admin user

* Start on Jitsi Package

* add package files

* initial proof of concept ui skeleton

* Basic working jitsi implementation

* Added ssl flag to jitsi meet constructor

* Try UI that auto starts call on tab open

* Add timeout for name setting

* fix the room width when flextab is 790px wide

* Adds admin settings for Jitsi;
Calls jitsi:connect on tabbar open and disconnect on close;
Uses instance_id + room_id for jitsi id;

* changed JitsiMeet ssl flag.  Flag now means no SSL.  So its going to use ssl by default

* Add SSL option for Jitsi;
Fixed ESLint errors found

* Default Jitsi SSL to true

* Adds option of colors into tabbar;

* Made settings public

* Make settings public; Add blinking support;

* Started on call timeout

* clearInterval and dispose

* Clean up and keep from showing multiple instances.

* switch setInterval and setTimeout to Meteor methods

* move api.dispose into defer.  Switch back to non-verbose logging on external_api.js

* removed debug logging

* Remove un-needed header on template

* Move external_api.js inside for onprem that don't allow any external

* Allow actionLinks server side as well as client side

* Add the ability to add an icon with the actionLink

* Added messageType and actionLink to join call.  Fixed timeout issues

* Allow Jitsi for Channels

* remove watermark - confuses some naiive users

* Added Beta warning.  Fixed some bugs changing rooms

* Fixed some eslint issues

Calls jitsi:connect on tabbar open and disconnect on close;
Uses instance_id + room_id for jitsi id;

Right now this is a very basic implementation and only tracks the first page view. Later implementations might extend this further.

Couldn't exactly test locally for some reason, so I am committing this to test via the requested deployment.