Switch to React v15 in devDeps

Author: STRML

package.json

@@ -48,8 +48,8 @@
     "open": "0.0.5",
     "phantomjs": "^1.9.18",
     "pre-commit": "^1.1.2",
-    "react": "^0.14.0",
-    "react-dom": "^0.14.0",
+    "react": "^15.0.0",
+    "react-dom": "^15.0.0",
     "semver": "^5.0.3",
     "static-server": "^2.0.0",
     "uglify-js": "^2.5.0",
@@ -63,4 +63,4 @@
   "dependencies": {
     "classnames": "^2.2.0"
   }
-}
+}