enable sauce_tunnel in .travis.yml

.travis.yml

@@ -2,18 +2,12 @@ language: node_js
 node_js:
   - "6.9.0"
 install:
+  - "sed 's/\"loglevel\": \"INFO\",/\"loglevel\": \"WARN\",/g' settings.json.template > settings.json"
+  - "tests/frontend/travis/sauce_tunnel.sh"
   - "bin/installDeps.sh"
-  - "export GIT_HASH=$(git rev-parse --verify --short HEAD)"
-  - "npm install ep_test_line_attrib"
 script:
   - "tests/frontend/travis/runner.sh"
 env:
   global:
     - secure: "WMGxFkOeTTlhWB+ChMucRtIqVmMbwzYdNHuHQjKCcj8HBEPdZLfCuK/kf4rG\nVLcLQiIsyllqzNhBGVHG1nyqWr0/LTm8JRqSCDDVIhpyzp9KpCJQQJG2Uwjk\n6/HIJJh/wbxsEdLNV2crYU/EiVO3A4Bq0YTHUlbhUqG3mSCr5Ec="
     - secure: "gejXUAHYscbR6Bodw35XexpToqWkv2ifeECsbeEmjaLkYzXmUUNWJGknKSu7\nEUsSfQV8w+hxApr1Z+jNqk9aX3K1I4btL3cwk2trnNI8XRAvu1c1Iv60eerI\nkE82Rsd5lwUaMEh+/HoL8ztFCZamVndoNgX7HWp5J/NRZZMmh4g="
-jdk:
-  - oraclejdk6
-notifications:
-  irc:
-    channels:
-      - "irc.freenode.org#etherpad-lite-dev"