Roll Observatory packages and add a roll script

petitparser/lib/debug.dart

Index: petitparser/lib/debug.dart
diff --git a/petitparser/lib/debug.dart b/petitparser/lib/debug.dart
deleted file mode 100644
index 29fe5579e2669f06aec2189c080f95fbb12811dd..0000000000000000000000000000000000000000
--- a/petitparser/lib/debug.dart
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- * This package contains some simple debugging tools.
- */
-library debug;
-
-import 'package:petitparser/petitparser.dart';
-import 'package:petitparser/reflection.dart';
-
-part 'src/debug/continuation.dart';
-part 'src/debug/profile.dart';
-part 'src/debug/progress.dart';
-part 'src/debug/trace.dart';
-
-typedef void OutputHandler(Object object);
-
-String _repeat(int count, String value) {
-  var result = new StringBuffer();
-  for (var i = 0; i < count; i++) {
-    result.write(value);
-  }
-  return result.toString();
-}