Merge branch 'master' into greenkeeper/jest-enzyme-4.0.1

package.json

@@ -4,23 +4,23 @@
   "private": true,
   "dependencies": {
     "bootstrap": "3",
-    "dompurify": "0.9.0",
-    "markdown-it": "8.3.1",
+    "dompurify": "1.0.2",
+    "markdown-it": "8.4.0",
     "react": "15.6.1",
-    "react-bootstrap": "0.31.1",
+    "react-bootstrap": "0.31.5",
     "react-dom": "15.6.1",
     "react-helmet": "^5.0.3",
-    "react-router-dom": "4.1.2"
+    "react-router-dom": "4.2.2"
   },
   "devDependencies": {
-    "coveralls": "^2.13.1",
+    "coveralls": "^3.0.0",
     "enzyme": "^2.9.0",
     "fetch-mock": "^5.10.0",
-    "jest": "^20.0.4",
+    "jest": "^21.2.1",
     "jest-enzyme": "^4.0.1",
     "react-scripts": "^1.0.7",
     "react-test-renderer": "^15.6.1",
-    "sinon": "^2.3.5"
+    "sinon": "^4.0.2"
   },
   "scripts": {
     "start": "react-scripts start",