bump travis env for node-red-admin

Author: Dave Conway-Jones

.travis.yml

@@ -1,8 +1,11 @@
+sudo: false
 language: node_js
+matrix:
+  include:
+    - node_js: 8
+    - node_js: 10
 before_install:
-  - npm install -g npm@~1.4.18
-node_js:
-  - "0.10"
+  - npm i -g npm
 script:
   - istanbul cover ./node_modules/.bin/grunt --report lcovonly && istanbul report text && ( cat coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js || true ) && rm -rf coverage
 before_script: