Fixes https://github.com/google/leveldb/issues/466 ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=189425354
This aligns the Travis CI configuration with google/crc32c and google/snappy, to simplify maintenance. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=188547648
This allows for continuous integration builds by travis-ci.org. More information at https://docs.travis-ci.com/user/languages/cpp