Merge pull request #4 from remcohaszing/patch-1

Make react-transition-group a dependency

Author: leMaik

package.json

@@ -44,7 +44,8 @@
     "material-ui": "^0.17.4",
     "react": "^15.5.4",
     "react-dom": "^15.5.4",
-    "react-tap-event-plugin": "^2.0.1"
+    "react-tap-event-plugin": "^2.0.1",
+    "react-transition-group": "^1.1.1"
   },
   "dependencies": {
     "prop-types": "^15.5.8"