Add http and oauth2 as SDK packages.

Review URL: https://codereview.chromium.org//11419207

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@15466 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/pubspec.yaml b/pubspec.yaml
new file mode 100644
index 0000000..477d211
--- /dev/null
+++ b/pubspec.yaml
@@ -0,0 +1,7 @@
+name: oauth2
+description: A composable, Future-based API for making HTTP requests.
+dependencies:
+  unittest:
+    sdk: unittest
+  http:
+    sdk: http