chore(deps): Update tests and dependencies (#47)

chore(deps): Update tests and dependencies

Author: germanattanasio

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 dist: trusty
 sudo: required
-node_js: 8
+node_js: 12
 script:
 - npm run test
 
@@ -27,4 +27,4 @@ deploy:
   skip_cleanup: true
   script: npx semantic-release
   on:
-    node: 8
+    node: 12

app.js

@@ -15,7 +15,7 @@
  */
 
 const express = require('express');
-const NaturalLanguageUnderstandingV1 = require('watson-developer-cloud/natural-language-understanding/v1.js');
+const NaturalLanguageUnderstandingV1 = require('ibm-watson/natural-language-understanding/v1.js');
 
 const app = express();