Downgrade strip-ansi package to 3.0.1 (facebook#2692)

Author: pdhoopr

packages/react-dev-utils/package.json

@@ -49,7 +49,7 @@
     "recursive-readdir": "2.2.1",
     "shell-quote": "1.6.1",
     "sockjs-client": "1.1.4",
-    "strip-ansi": "4.0.0",
+    "strip-ansi": "3.0.1",
     "text-table": "0.2.0"
   }
 }