GUACAMOLE-99: Merge change to support linking docker container to guacd.
GUACAMOLE-99: Merge change to support linking docker container to guacd.

lato333/guacamole-client,jmuehlner/incubator-guacamole-client,lato333/guacamole-client,esmailpour-hosein/incubator-guacamole-client,glyptodon/guacamole-client,lato333/guacamole-client,glyptodon/guacamole-client,necouchman/incubator-guacamole-client,jmuehlner/incubator-guacamole-client,glyptodon/guacamole-client,jmuehlner/incubator-guacamole-client,mike-jumper/incubator-guacamole-client,softpymesJeffer/incubator-guacamole-client,mike-jumper/incubator-guacamole-client,necouchman/incubator-guacamole-client,softpymesJeffer/incubator-guacamole-client,softpymesJeffer/incubator-guacamole-client,necouchman/incubator-guacamole-client,glyptodon/guacamole-client,softpymesJeffer/incubator-guacamole-client,mike-jumper/incubator-guacamole-client,lato333/guacamole-client,mike-jumper/incubator-guacamole-client,jmuehlner/incubator-guacamole-client,glyptodon/guacamole-client,necouchman/incubator-guacamole-client