Update README badges to point to new repo (#36)

diff --git a/README.md b/README.md
index 55a68d8..8ba24f4 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-[![Build Status](https://travis-ci.org/matanlurey/file.svg?branch=master)](https://travis-ci.org/matanlurey/file)
-[![Coverage Status](https://coveralls.io/repos/github/matanlurey/file/badge.svg?branch=master)](https://coveralls.io/github/matanlurey/file?branch=master)
+[![Build Status](https://travis-ci.org/google/file.dart.svg?branch=master)](https://travis-ci.org/google/file.dart)
+[![Coverage Status](https://coveralls.io/repos/github/google/file.dart/badge.svg?branch=master)](https://coveralls.io/github/google/file.dart?branch=master)
 
 # File