feat(notifications): implement a react/redux notification system (#1786)
* feat(notifications): implement a react/redux notification system
* squash into impl explicit timeout, style
* ref(notifications): convert toastr notifications to use react
* ref(toastr): remove library
* squash into conversion: pass timeout
* squash into clean remove from debian patch
Updates meet default installation. Removes nginx dependency and adds openjdk-8 in order to activate multiplexing inside jvb and use its jetty to serve meet. Updates will not touch current configuration which will continue using nginx.