update Gitter links pointing to org repository
update Gitter links pointing to org repository

jawaid/connect,anvilresearch/connect,EternalDeiwos/connect,msamblanet/connect,henrjk/connect,msamblanet/connect,anvilresearch/connect,tonyevans/connect,henrjk/connect,tonyevans/connect,anvilresearch/connect,EternalDeiwos/connect,jawaid/connect,EternalDeiwos/connect,tonyevans/connect,henrjk/connect