Bump react from 0.13.3 to 0.14.0 in /webapp

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 0.13.3 to 0.14.0.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v0.14.0/packages/react)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

webapp/package-lock.json

@@ -35,7 +35,7 @@
     "postcss": "^5.0.14",
     "postcss-loader": "^0.8.0",
     "precss": "^1.4.0",
-    "react": "^0.13.3",
+    "react": "^0.14.0",
     "react-fa": "^3.3.1",
     "react-redux": "^0.2.1",
     "react-router": "1.0.0-beta3",