Update dependency react-scripts to v1.1.5

Author: renovate-bot

package.json

@@ -10,7 +10,7 @@
     "prop-types": "^15.5.10",
     "react": "^15.6.1",
     "react-dom": "^15.6.1",
-    "react-scripts": "1.0.11",
+    "react-scripts": "1.1.5",
     "react-snapshot": "^2.0.0-1",
     "rebass": "1.0.7",
     "styled-components": "^2.1.2"