Name: Backup Management
Author: Ahren Bader-Jarvis
Version: 1.0
Revision Date: 2017-12-02
Description: This script is designed to manage daily backups using a set schedule. It will keep daily backups from the last 2 weeks, after that, 1 for every week for 2 months, and finally 1 backup every month indefinitely.
Assumptions: The backup directory (defined in backup_dir) receives 1 backup daily. The backup files have the filename format of: backupname-YYYY-MM-DD.tgz