Update dependencies to enable Greenkeeper 🌴

README.md

@@ -1,5 +1,7 @@
 # JSON Resume Registry Server
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/jsonresume/registry-server.svg)](https://greenkeeper.io/)
+
 [![Join the chat at https://gitter.im/jsonresume/public](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jsonresume/public?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Build Status](https://travis-ci.org/jsonresume/registry-server.svg?branch=master)](https://travis-ci.org/jsonresume/registry-server) [![Dependency Status](https://david-dm.org/jsonresume/registry-server.svg)](https://david-dm.org/jsonresume/registry-server) [![devDependency Status](https://david-dm.org/jsonresume/registry-server/dev-status.svg)](https://david-dm.org/jsonresume/registry-server#info=devDependencies)
 [![Issue Stats](https://www.issuestats.com/github/jsonresume/registry-server/badge/pr?style=flat)](https://www.issuestats.com/github/jsonresume/registry-server) [![Issue Stats](https://www.issuestats.com/github/jsonresume/registry-server/badge/issue?style=flat)](https://www.issuestats.com/github/jsonresume/registry-server)
 

package.json

@@ -17,24 +17,24 @@
   "license": "MIT",
   "dependencies": {
     "bcrypt-nodejs": "0.0.3",
-    "body-parser": "~1.17.1",
+    "body-parser": "~1.18.2",
     "compression": "^1.6.0",
     "connect-redis": "^3.0.0",
     "cookie-parser": "^1.4.0",
-    "crypto": "0.0.3",
+    "crypto": "1.0.1",
     "dotenv": "^4.0.0",
-    "express": "~4.15",
-    "express-minify": "^0.2.0",
+    "express": "~4.16.2",
+    "express-minify": "^1.0.0",
     "express-session": "^1.11.3",
     "gravatar": "^1.3.1",
     "http-status-codes": "^1.0.5",
     "lodash": "^4.13.1",
     "mongodb": "~2.2.26",
     "mongoose": "^4.1.10",
     "mustache": "^2.3.0",
-    "newrelic": "^1.26.2",
-    "pdfcrowd": "^1.1.1",
-    "postmark": "~1.3.1",
+    "newrelic": "^2.3.1",
+    "pdfcrowd": "^4.0.1",
+    "postmark": "~1.4.1",
     "pusher": "^1.0.6",
     "redis": "^2.1",
     "require-directory": "^2.1.1",
@@ -45,12 +45,12 @@
     "superagent": "^3.5"
   },
   "devDependencies": {
-    "chai": "^3.3.0",
+    "chai": "^4.1.2",
     "chai-properties": "^1.2.1",
-    "mocha": "^3.3.0",
+    "mocha": "^4.0.1",
     "nock": "^9.0.13",
     "q": "^1.4.1",
-    "should": "^11.2.1",
+    "should": "^13.1.2",
     "supertest": "^3.0",
     "supertest-as-promised": "^4.0.2"
   }