Added some basic echo functionality

src/ggs_sup.erl

@@ -2,17 +2,12 @@
 -behaviour(supervisor).
 
 %% API
--export([start/1, start_link/1]).
+-export([start_link/1]).
 
 %% Supervisor callbacks
 -export([init/1]).
 -define(SERVER, ?MODULE).
 
-start(Port) ->
-    [FirstArg] = Port, 
-    {IntPort, _} = string:to_integer(FirstArg),
-    start_link(IntPort).
-
 start_link(Port) ->
     supervisor:start_link({local, ?SERVER}, ?MODULE, [Port]).
 
@@ -29,7 +24,7 @@ init([Port]) ->
                     permanent, 
                     2000, 
                     worker, 
-                    [ggs_dispatcher]
+                    [ggs_coordinator]
                 },
     Children = [Dispatcher, Coordinator],