update package.json(bump up version of dependencies

package.json

@@ -22,6 +22,7 @@
     "note",
     "snippet",
     "storage",
+    "electron"
   ],
   "author": "Dick Choi <fluke8259@gmail.com> (http://kazup.co)",
   "bugs": {
@@ -36,17 +37,16 @@
     "fs-jetpack": "^0.7.0",
     "highlight.js": "^8.9.1",
     "lodash": "^3.10.1",
-    "markdown-it": "^4.3.1",
+    "markdown-it": "^4.4.0",
     "markdown-it-emoji": "^1.1.0",
     "md5": "^2.0.0",
     "moment": "^2.10.3",
-    "socket.io-client": "^1.3.6",
     "superagent": "^1.2.0",
     "superagent-promise": "^1.0.3"
   },
   "devDependencies": {
     "babel-loader": "^5.3.2",
-    "babel-plugin-react-transform": "^1.1.1",
+    "babel-plugin-react-transform": "^1.1.0",
     "css-loader": "^0.19.0",
     "electron-packager": "^5.1.0",
     "electron-prebuilt": "^0.35.1",