Make create-react-class a runtime dependency and use latest version of react-transition-group

package.json

@@ -28,7 +28,6 @@
     "babel-jest": "^22.1.0",
     "bower": "^1.7.9",
     "chai": "^4.1.2",
-    "create-react-class": "^15.6.3",
     "del": "^3.0.0",
     "gulp": "^3.9.1",
     "jest-cli": "^22.1.4",
@@ -49,11 +48,12 @@
   "dependencies": {
     "bootstrap": "^4.0.0",
     "classnames": "^2.2.5",
+    "create-react-class": "^15.6.3",
     "jquery": "^3.0.0",
     "moment": "^2.13.0",
     "react": "^16.2.0",
-    "react-addons-css-transition-group": "^15.1.0",
     "react-dom": "^16.2.0",
+    "react-transition-group": "^1.0.0",
     "webextension-polyfill": "^0.2.1"
   },
   "jshintConfig": {