DownloadRouterConfig.py v2.2.3 (2014-03-17)

## DownloadRouterConfig.py v2.2.3 (2014-03-17) ##
* Replaced tab with four spaces.
* Corrected variables in code accidentally copied from another
application.
* Changed 'BackupStatus' log filename to 'DownloadRouterConfig'.
* Replaced ' with " to be consistent throughout the file.
* Updated `README.md` to match newest application design.
* Corrected problem where application would fail if logFileDirectory or
backupFileDirectory in settings.cfg was blank.