Auto merge of #454 - larsbergstrom:travis_via_github, r=metajack

Check Travis build status via GitHub instead of Travis hooks

r? @Manishearth

Fixes servo/servo#12739

cc: @metajack @edunham

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homu/files/cfg.toml

@@ -148,8 +148,8 @@ try_users = {{ try }}
 [repo.{{ repo[1] }}.github]
 secret = "{{ pillar["homu"]["gh-webhook-secret"] }}"
 
-[repo.{{ repo[1] }}.travis]
-token = "{{ pillar["homu"]["travis-ci-token"] }}"
+[repo.{{ repo[1] }}.status.travis]
+context = 'continuous-integration/travis-ci/push'
 
 {% endfor %}