Node.js v4 + packages update

Author: Slinto

build/css/app.css

@@ -12,45 +12,46 @@
     "test": "gulp test-deployed"
   },
   "engines": {
-    "node": "0.12.x"
+    "node": "^4.0.0",
+    "npm": "^3.0.0"
   },
   "dependencies": {
     "babel": "^5.8.23",
-    "body-parser": "^1.13.3",
+    "body-parser": "^1.14.0",
     "compression": "^1.5.2",
     "connect-flash": "^0.1.1",
-    "cookie-parser": "^1.3.5",
-    "express": "^4.13.2",
+    "cookie-parser": "^1.4.0",
+    "express": "^4.13.3",
     "express-session": "^1.11.3",
     "i18n": "^0.5.0",
     "jade": "^1.11.0",
     "method-override": "^2.3.5",
-    "mongoose": "^4.1.0",
+    "mongoose": "^4.1.8",
     "pretty-error": "^1.2.0",
     "serve-favicon": "^2.3.0"
   },
   "devDependencies": {
     "babel-loader": "^5.3.2",
     "gulp": "^3.9.0",
-    "gulp-autoprefixer": "^2.3.1",
+    "gulp-autoprefixer": "^3.0.2",
     "gulp-bump": "^0.3.1",
-    "gulp-git": "^1.2.4",
+    "gulp-git": "^1.4.0",
     "gulp-imagemin": "^2.3.0",
     "gulp-livereload": "^3.8.0",
     "gulp-minify-css": "^1.2.1",
     "gulp-mocha": "^2.1.3",
     "gulp-nodemon": "^2.0.4",
     "gulp-plumber": "^1.0.1",
-    "gulp-rimraf": "^0.1.0",
+    "gulp-rimraf": "^0.1.1",
     "gulp-shell": "^0.4.3",
     "gulp-size": "^2.0.0",
-    "gulp-stylus": "^2.0.6",
+    "gulp-stylus": "^2.0.7",
     "gulp-webpack": "^1.5.0",
-    "imagemin-pngquant": "^4.1.2",
+    "imagemin-pngquant": "^4.2.0",
     "jshint-stylish": "^2.0.1",
     "nib": "^1.1.0",
-    "run-sequence": "^1.1.2",
-    "webpack": "^1.12.0",
-    "yargs": "^3.22.2"
+    "run-sequence": "^1.1.4",
+    "webpack": "^1.12.2",
+    "yargs": "^3.26.0"
   }
 }