specify node as nodejs version for travis-ci

Author: McFoggy

.travis.yml

@@ -1,15 +1,17 @@
 language: node_js
+node_js:
+  - "node"
 install: npm install
 before_script:
-- git config --global user.email "[email protected]"
-- git config --global user.name "GitbucketPlugins CI Agent"
+  - git config --global user.email "[email protected]"
+  - git config --global user.name "GitbucketPlugins CI Agent"
 script: node index.js
 after_success:
-- git config credential.helper "store --file=.git/credentials"
-- echo "https://${GH_TOKEN}:@github.com" > .git/credentials
-- git add .
-- git commit -m "updating generated plugins data"
-- git push origin master
+  - git config credential.helper "store --file=.git/credentials"
+  - echo "https://${GH_TOKEN}:@github.com" > .git/credentials
+  - git add .
+  - git commit -m "updating generated plugins data"
+  - git push origin master
 env:
   global:
     secure: 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