Fixed connect-mongo have peer dependencies

Author: jackycute

package.json

@@ -14,6 +14,7 @@
     "cheerio": "^0.19.0",
     "compression": "^1.4.3",
     "connect-mongo": "^0.8.1",
+    "kerberos": "0.0.17",
     "cookie": "0.1.2",
     "cookie-parser": "1.4.0",
     "ejs": "^1.0.0",