agregamos redirect.ex y refactorizamos get_hash.ex en controller

_build/prod/lib/phoenix_pubsub/ebin/phoenix_pubsub.app

@@ -1,8 +1,5 @@
 {application,phoenix_pubsub,
-             [{optional_applications,[]},
-              {applications,[kernel,stdlib,elixir,logger,crypto]},
-              {description,"Distributed PubSub and Presence platform"},
-              {modules,['Elixir.Phoenix.PubSub',
+             [{modules,['Elixir.Phoenix.PubSub',
                         'Elixir.Phoenix.PubSub.Adapter',
                         'Elixir.Phoenix.PubSub.Application',
                         'Elixir.Phoenix.PubSub.BroadcastError',
@@ -15,6 +12,9 @@
                         'Elixir.Phoenix.Tracker.Replica',
                         'Elixir.Phoenix.Tracker.Shard',
                         'Elixir.Phoenix.Tracker.State']},
+              {optional_applications,[]},
+              {applications,[kernel,stdlib,elixir,logger,crypto]},
+              {description,"Distributed PubSub and Presence platform"},
               {registered,[]},
               {vsn,"2.1.3"},
               {mod,{'Elixir.Phoenix.PubSub.Application',[]}}]}.