Update travis

.travis.yml

@@ -1,28 +1,21 @@
 ---
 branches:
   only:
-  - master
-  - develop
-  - /^greenkeeper/.*$/
+    - master
+    - develop
+    - /^greenkeeper/.*$/
+    - /^feature/.*$/
 language: node_js
 node_js:
   - stable
+  - 10
   - 9
   - 8
-sudo: false
-notifications:
-  webhooks:
-    urls:
-      - https://webhooks.gitter.im/e/d0418713e51ac049564a
-    on_success: always
-    on_failure: change
-    on_start: never
 env:
   global:
     - CC_TEST_REPORTER_ID=cd17849fce8d9273988b6229cd454514d56e69c7fb0463af09bf7b7ba342d8b7
-    - secure: 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
 before_install:
-  - '[[ $(node -v) =~ ^v10.*$ ]] || npm install -g npm@latest'
+  - '[[ $(node -v) =~ ^v11.*$ ]] || npm install -g npm@latest'
   - npm install -g greenkeeper-lockfile
 install: npm install
 before_script: