Update modules and remove browserify (dependance of grunt-browserify)

package.json

@@ -17,7 +17,6 @@
     "blueimp-file-upload": "^9.10.1",
     "body-parser": "^1.12.4",
     "bootstrap": "^3.3.5",
-    "browserify": "^10.2.4",
     "compression": "^1.5.0",
     "config": "^1.14.0",
     "connect-livereload": "^0.5.3",
@@ -28,7 +27,7 @@
     "express": "^4.12.4",
     "express-validator": "^2.11.0",
     "grunt": "^0.4.5",
-    "grunt-browserify": "^3.8.0",
+    "grunt-browserify": "^4.0.1",
     "grunt-contrib-clean": "^0.6.0",
     "grunt-contrib-concat": "^0.5.1",
     "grunt-contrib-copy": "0.8.0",