Update Node in Travis

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- '7.0'
+- '8.0'
 after_script: bash <(curl -s https://codecov.io/bash)
 script:
 - npm test
@@ -12,7 +12,7 @@ deploy:
       secure: 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
     on:
       tags: true
-      node: '5.0'
+      node: '8.0'
   - provider: releases
     api_key:
       secure: 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
@@ -21,4 +21,4 @@ deploy:
       - "alex.min.js"
     on:
       tags: true
-      node: '6.0'
+      node: '8.0'