Added CLI option to specify server port (#1)

diff --git a/package.json b/package.json
index 6a73fcd..c03a5ae 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "cord-subscriber": "./lib/cord-subscriber.js"
   },
   "dependencies": {
+    "minimist": "^1.2.0",
     "node-uuid": "^1.4.7",
     "superagent": "^2.0.0",
     "yang-express": "^0.2.3",
@@ -53,6 +54,7 @@
     "prepublish": "npm run build",
     "pretest": "npm run build",
     "test": "mocha",
+    "prestart": "npm run build",
     "start": "node lib/api/server.js"
   }
 }