RHL updated to 4.5

Author: Suraj Chandola

package.json

@@ -104,7 +104,7 @@
  "prop-types": "15.6.2",
  "react": "16.6.1",
  "react-dom": "16.6.1",
- "react-hot-loader": "4.3.12",
+ "react-hot-loader": "4.5.0",
  "react-redux": "5.0.7",
  "react-router": "4.3.1",
  "react-router-dom": "4.3.1",