chore: update travis config with node LTS & stable (#11)

JaKXz · bcoe · commit 695752be2da0 · 2016-12-18T09:22:18.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,8 +7,6 @@ os:
 after_success: npm run coverage
 
 node_js:
-  - "0.10"
-  - "0.12"
   - "4"
-  - "5"
-  - "node"
+  - "6"
+  - "stable"
