Dynamically load jitsi library and config from server
Changelog:
- Instead of constantly updating the library and guessing at configuration values, load the lib-jitsi-meet API library and the default server config from the selected server. This will hopefully provide a lot more stability to the connections.
- Fix custom URLs and add some additional custom url settings in case they are needed. Hopefully these should be needed nearly as often anymore since we read the config from the server.
Note:
This change also removes support for legacy FVTT versions older than 0.7.2.