revert changes for serialization of FailedConnectionAttempt, because it isn't needed for ASAPAndroid integration

Author: marv1913

src/main/java/net/sharksystem/hub/BasicHubConnectionManager.java

@@ -68,7 +68,12 @@ protected void syncLists() {
                 }
             }
             if(recordedOldAttempt != null) this.failedConnectionAttempts.remove(recordedOldAttempt);
-            this.failedConnectionAttempts.add(new FailedConnectionAttemptImpl(failedConnection, lastConnectionAttempt));
+            this.failedConnectionAttempts.add(new HubConnectionManager.FailedConnectionAttempt() {
+                @Override
+                public HubConnectorDescription getHubConnectorDescription() { return failedConnection; }
+                @Override
+                public long getTimeStamp() { return lastConnectionAttempt; }
+            });
         }
     }