build(npm): Switched to commitizen for commits

Author: okonet

package.json

@@ -36,6 +36,7 @@
     "babel-eslint": "^4.1.1",
     "babel-loader": "5.3.2",
     "core-js": "1.2.2",
+    "cz-conventional-changelog": "^1.2.0",
     "eslint": "^1.3.1",
     "eslint-config-airbnb": "0.0.8",
     "eslint-plugin-react": "^3.3.1",
@@ -45,5 +46,10 @@
   },
   "engines": {
     "node": ">=0.10"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
   }
 }