chore(lodash): bump to lodash 4

Author: Awk34

app/templates/_package.json

@@ -12,7 +12,7 @@
     "errorhandler": "^1.4.2",
     "compression": "^1.5.2",
     "composable-middleware": "^0.3.0",
-    "lodash": "^3.10.1",
+    "lodash": "^4.6.1",
     "lusca": "^1.3.0",
     "babel-runtime": "^6.6.1",
     "babel-polyfill": "^6.7.2",<% if (filters.jade) { %>