Unfix io.js version back.

AlexKVal · AlexKVal · commit e98dfc8cb3b0 · 2015-06-01T14:20:26.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 sudo: false
 language: node_js
 node_js:
-  - "iojs-v2.1.0"
+  - "iojs"
 notifications:
   webhooks:
     urls:
