Renamed logger/logdas_nova.py as fluent_logger.py
Moved logcas/archiver directory into logcas/tools/.
Added logcabin configurations and ZeroMQ logger for logcabin.
Fixed bugs in *_log_index().
Updated archiver and reset_archived_flag.
Updated mongosaver.
Changed the default log level for archiver script.
Made git ignore *.log.
Added sample logging.conf for nova.
Changed the default log level for archived/log_index.
Added time-limiting capability to log lists.
Added clock setter to logcabin/mongosaver.py.
Updated screenshots.