Log Message:
Updated p5-Log-Log4perl to 1.48.

1.48 (2016/11/14)
   *    (ms) [rt.cpan.org #117377] Moved PatternLayout's documentation of
             DateFormat features to DateFormat.pm to avoid duplication
             and keep the two parts consistent, as suggested by Max Carey.
   *    (ms) [rt.cpan.org #114822] Split two lines with CVS-sensitive
             $Log.. variables into two parts.
   *    (ms) Semaphore issue fixed in Synchronized (reported by
             Siarhei Kuchynski and Martin Köhler):
          https://github.com/mschilli/log4perl/issues/72
   *    (ms) header_text now works with syswrite (reported by Tom Metro):
          https://github.com/mschilli/log4perl/issues/73