updated dependencies (#38)

Author: chrishelgert

package.json

@@ -46,15 +46,15 @@
     "cross-env": "^5.0.0",
     "jest": "^21.0.1",
     "prop-types": "^15.5.10",
-    "react": "^15.4.1",
-    "react-test-renderer": "^15.4.1",
+    "react": "^16.0.0",
+    "react-test-renderer": "^16.0.0",
     "rimraf": "^2.5.4",
     "snazzy": "^7.0.0",
     "standard": "^10.0.1",
     "webpack": "^3.0.0"
   },
   "peerDependencies": {
-    "react": "^15.4.1"
+    "react": "^16.0.0"
   },
   "jest": {
     "bail": true,