fixes #25, most analyzer errors were not computed

test/report_test.dart

Index: test/report_test.dart
diff --git a/test/report_test.dart b/test/report_test.dart
index 8df2d3e59ce7b9280c59f8e8ec71038e7a2d79ec..f6f295d1a83893a94db0c4fc066372db9557af95 100644
--- a/test/report_test.dart
+++ b/test/report_test.dart
@@ -46,9 +46,11 @@ void main() {
 
     _verifySummary(GlobalSummary summary) {
       var mainLib = summary.loose['file:///main.dart'];
-      expect(mainLib.messages.length, 1);
+      expect(mainLib.messages.length, 2);
+      var analyzerMsg = mainLib.messages[0];
+      expect(analyzerMsg.kind, "AnalyzerMessage");
 
-      var mainMessage = mainLib.messages[0];
+      var mainMessage = mainLib.messages[1];
       expect(mainMessage.kind, "StaticTypeError");
       expect(mainMessage.level, "severe");
       expect(mainMessage.span.text, '"hi"');