[logback-dev] [qos-ch/logback] 0149b9: add tavis config file

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: 0149b9d043a91080705916988d1cf5ef603520b5
      https://github.com/qos-ch/logback/commit/0149b9d043a91080705916988d1cf5ef603520b5
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2014-12-07 (Sun, 07 Dec 2014)

  Changed paths:
    A .travis.yml

  Log Message:
  -----------
  add tavis config file