Moved minify to production deps

package.json

@@ -13,6 +13,7 @@
     "express-validator": "^3.1.3",
     "kerberos": "0.0.17",
     "mellt": "^1.0.0",
+    "minifier": "^0.8.1",
     "moment": "^2.12.0",
     "mongodb": "^2.2.26",
     "mongoose": "^4.9.0",
@@ -39,7 +40,6 @@
     "karma-chrome-launcher": "^1.0.1",
     "karma-firefox-launcher": "^1.0.0",
     "karma-mocha": "^1.1.1",
-    "minifier": "^0.8.1",
     "mocha": "^2.5.3",
     "nodemon": "^1.10.2",
     "supertest": "^1.2.0"