[PUBSUB-16] swap internal-ip to ip module to mitigate unicode vuln

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
-sudo: false 
+sudo: false
 node_js:
-- '0.12'
-- '0.10'
+- '4'
+- '6'
 before_script:
 - npm cache clean
 - npm install -g grunt-cli

lib/index.js

@@ -93,7 +93,7 @@ function getComputerFingerprint (callback, append) {
 function getIPAddresses (callback) {
 	getComputerFingerprint(function (err, fingerprint) {
 		try {
-			var internalIP = require('internal-ip')();
+			var internalIP = require('ip').address();
 			var handler = function errorHandler(e) {
 				// this happens if we are offline, just capture it for now
 			};

package.json

@@ -1,6 +1,6 @@
 {
   "name": "appc-pubsub",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "AppC pubsub client library",
   "main": "index.js",
   "scripts": {
@@ -22,7 +22,7 @@
   "dependencies": {
     "colors": "^1.1.2",
     "debug": "^2.2.0",
-    "internal-ip": "^1.0.1",
+    "ip": "^1.1.5",
     "public-ip": "^1.0.2",
     "request": "^2.58.0",
     "socket.io-client": "^1.3.5"