add express to npm for production

package.json

@@ -9,36 +9,37 @@
     "test": "ava test --compilers js:babel-register"
   },
   "dependencies": {
-    "axios": "^0.14.0",
-    "babel-polyfill": "^6.16.0",
-    "bootstrap": "^4.0.0-alpha.4",
-    "clipboard": "^1.5.12",
-    "font-awesome": "^4.6.3",
-    "hint.css": "^2.3.2",
-    "jwt-decode": "^2.1.0",
-    "lesspass": "^4.0.4",
-    "lodash.debounce": "^4.0.8",
-    "moment": "^2.15.0",
-    "pilou": "^0.1.4",
-    "tether": "^1.3.7",
-    "vue": "^2.0.1",
-    "vue-router": "^2.0.0",
-    "vuex": "^2.0.0"
+    "express": "^4.14.0"
   },
   "devDependencies": {
     "ava": "^0.16.0",
+    "axios": "^0.14.0",
     "babel-core": "^6.17.0",
     "babel-loader": "^6.2.5",
+    "babel-polyfill": "^6.16.0",
     "babel-preset-es2015": "^6.16.0",
     "babel-register": "^6.16.3",
+    "bootstrap": "^4.0.0-alpha.4",
+    "clipboard": "^1.5.12",
     "css-loader": "^0.25.0",
     "extract-text-webpack-plugin": "^1.0.1",
     "file-loader": "^0.9.0",
+    "font-awesome": "^4.6.3",
+    "hint.css": "^2.3.2",
     "json-loader": "^0.5.4",
-    "nock": "^8.0.0",
+    "jwt-decode": "^2.1.0",
+    "lesspass": "^4.0.4",
+    "lodash.debounce": "^4.0.8",
+    "moment": "^2.15.0",
+    "nock": "^8.1.0",
+    "pilou": "^0.1.4",
     "style-loader": "^0.13.1",
+    "tether": "^1.3.7",
     "url-loader": "^0.5.7",
+    "vue": "^2.0.1",
     "vue-loader": "^9.5.1",
+    "vue-router": "^2.0.0",
+    "vuex": "^2.0.0",
     "webpack": "^1.13.2",
     "webpack-dev-server": "^1.16.2"
   },