bump node 4.x LTS test target

nfriedly · nfriedly · commit 11ea9cbb3346 · 2016-03-09T11:17:26.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,7 @@ language: node_js
 sudo: false
 node_js:
 - '0.12'
-- 4.2
+- 4.x
 - stable
 script:
 - npm test
