[logback-dev] [qos-ch/logback] a57959: require JDK 1.7, fix LOGBACK-1283

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: a57959b14da19b0f91734a73be94ec17fdb16faa
      https://github.com/qos-ch/logback/commit/a57959b14da19b0f91734a73be94ec17fdb16faa
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2017-03-17 (Fri, 17 Mar 2017)

  Changed paths:
    M pom.xml

  Log Message:
  -----------
  require JDK 1.7, fix LOGBACK-1283