adding codereview file, formatting, adding gitignore

lib/src/multiplexport.dart

Index: lib/src/multiplexport.dart
diff --git a/lib/src/multiplexport.dart b/lib/src/multiplexport.dart
index d0c2f67d3f72b0e3ff591311ca4736e2e3404b3c..96066e0590dc5cf1c675946a6be55dfcf95b7ff3 100644
--- a/lib/src/multiplexport.dart
+++ b/lib/src/multiplexport.dart
@@ -46,7 +46,9 @@ class _MultiplexRawReceivePort implements RawReceivePort {
 
   SendPort get sendPort => _multiplexer._createSendPort(_id);
 
-  void _invokeHandler(message) { _handler(message); }
+  void _invokeHandler(message) {
+    _handler(message);
+  }
 }
 
 class _MultiplexSendPort implements SendPort {
@@ -89,7 +91,7 @@ class RawReceivePortMultiplexer {
     _MultiplexRawReceivePort receivePort = _map[id];
     // If the receive port is closed, messages are dropped, just as for
     // the normal ReceivePort.
-    if (receivePort == null) return;  // Port closed.
+    if (receivePort == null) return; // Port closed.

[Lasse Reichstein Nielsen, 2015/02/26 10:59:15]

Two spaces before //.

     receivePort._invokeHandler(message);
   }