Extended the example chat server config to support distribution.
Updated the example chat server to support Hive distribution.
Renamed distributed chat directory apropriately.
Updated the distributed chat readme.
Fixed tiny things in the config and the backend.
Fixed a tiny, room leaving bug.
Added server selection to the client application.
Added node2 to the known cluster nodes of node1.
Merge pull request #20 from brainly/idorobots/distributed-chat

Adds an extended, distributed chat server example