Make greenkeeper update lockfile

Author: SimenB

.travis.yml

@@ -1,18 +1,26 @@
 language: node_js
 node_js:
-  - node
-  - 6
-  - 4
+- 8
+- 6
+- 4
+- node
 os:
-  - linux
-  - osx
+- linux
+- osx
 osx_image: xcode7.3
+before_install: yarn global add greenkeeper-lockfile@1
+before_script: greenkeeper-lockfile-update
 script: yarn run travis
+after_script: greenkeeper-lockfile-upload
 after_success:
-  - npm install -g codecov
-  - codecov
+- yarn global add codecov
+- codecov
 cache:
   yarn: true
 branches:
-   only:
-   - master
+  only:
+  - master
+  - "/^greenkeeper/.*$/"
+env:
+  global:
+    secure: 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