[logback-dev] [qos-ch/logback] 2291e8: add follow_us.png Twitter file

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: 2291e82275cfc4a44984ef2b4ddaaedbb71a0d04
      https://github.com/qos-ch/logback/commit/2291e82275cfc4a44984ef2b4ddaaedbb71a0d04
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2016-12-05 (Mon, 05 Dec 2016)

  Changed paths:
    A logback-site/src/site/resources/images/follow_us.png

  Log Message:
  -----------
  add follow_us.png Twitter file