[logback-dev] [qos-ch/logback] a20938: minor edits

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: a209380afd4063ac4f083490f3181f53c301f51a
      https://github.com/qos-ch/logback/commit/a209380afd4063ac4f083490f3181f53c301f51a
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2017-01-20 (Fri, 20 Jan 2017)

  Changed paths:
    M logback-classic/src/test/java/ch/qos/logback/classic/LoggerContextTest.java
    M logback-core/src/main/java/ch/qos/logback/core/ContextBase.java
    M logback-core/src/main/java/ch/qos/logback/core/CoreConstants.java
    M logback-core/src/main/java/ch/qos/logback/core/rolling/RollingFileAppender.java
    M logback-core/src/main/java/ch/qos/logback/core/rolling/helper/FileNamePattern.java

  Log Message:
  -----------
  minor edits