Move react to devDependencies

Author: billyma

package.json

@@ -52,6 +52,7 @@
     "mocha": "^2.3.3",
     "phantomjs": "^1.9.18",
     "raw-loader": "^0.5.1",
+    "react": "^0.13.0",
     "react-hot-loader": "^1.2.7",
     "react-prism": "^1.4.1",
     "react-router": "^0.13.3",
@@ -65,7 +66,6 @@
   "dependencies": {
     "classnames": "^2.1.3",
     "lodash": "^3.10.0",
-    "react": "^0.13.0",
     "react-modal": "^0.5.0",
     "react-onclickoutside": "^0.3.0",
     "tether": "^1.1.0",