We need to make sure that on the page reload all original parameters
used to load the conference are preserved. New modules helps to manage
different types of conference URLs like the one used for invites and
the one for reloading the page.

Will disconnect on ConferenceErrors.VIDEOBRIDGE_NOT_AVAILABLE.
Show the same message when either JVB is not available or Jicofo
disconnects.

Uses some ES6 syntax. Also removes inputHeight key for resolution as it makes no sence to have dictionary with one key. Removes some code duplication. Makes code consistent: method params for updateLocalStats and updateRemoteStats.

Enable ESLint on jitsi-meet with the same configuration and the same
goals as in lib-jitsi-meet.

Moves handling of thank you dialog out of the Promise that handles the feedback and just before we redirect to welcome page.

Uses the same display names in the contact list as in the thumbnails, for local and remote.