change deploy tool

deploy.js

@@ -0,0 +1,11 @@
+var buildBranch = require('buildBranch');
+
+buildBranch({
+  branch: 'gh-pages',
+  folder: '_site'
+}, function(err) {
+  if(err) {
+    throw err;
+  }
+  console.log('Published!');
+});

package.json

@@ -26,6 +26,7 @@
   "devDependencies": {
     "babel-core": "~5.4.7",
     "babel-loader": "~5.1.3",
+    "buildbranch": "0.0.3",
     "concurrently": "~0.1.0",
     "css-loader": "~0.13.1",
     "eslint": "~0.22.1",
@@ -47,7 +48,7 @@
     "build": "npm run clean && webpack && nico build",
     "start": "npm run clean && nico server --watch",
     "clean": "rm -rf _site",
-    "deploy": "npm run build && gh-pages -d _site -b gh-pages",
+    "deploy": "npm run build && node deploy.js",
     "lint": "eslint components index.js --ext '.js,.jsx'",
     "test": "webpack && npm run lint"
   },