Update Travis integration script

pandres95 · pandres95 · commit e2a13ff54db1 · 2016-06-15T03:55:24.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,9 @@
 language: node_js
+before_install: npm install -g npm@latest
 node_js:
   - 4.0
+  - 5.0
+  - 6.0
 install:
+  - npm install bool.js
   - npm install
-  - npm install bool.js@latest
