Used TRAVIS_BUILD_DIR
Used TRAVIS_BUILD_DIR


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Former-commit-id: b5173b3238e39446482558e3a7968c4736aff632
Former-commit-id: 19f9d123f54d77a80f339b4042690bafdd31ca7e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine