std.logger

Logging facilities for Phobos.

Docu:
http://burner.github.io/phobos/phobos-prerelease/std_experimental_logger_core.html
http://burner.github.io/phobos/phobos-prerelease/std_experimental_logger_filelogger.html
http://burner.github.io/phobos/phobos-prerelease/std_experimental_logger_multilogger.html
http://burner.github.io/phobos/phobos-prerelease/std_experimental_logger_nulllogger.html

dub
http://code.dlang.org/packages/logger
Please use more scoped selective imports  https://issues.dlang.org/show_bug.cgi?id=13253 .