Backup settings

This is the page where we will gather files/settings that are important to backup, and how to backup them.

current discussions involve the following points:

backup what: what is data files, and what is system files

backup how: what programs to backup, and how to automate it

backup where: what is the most convient media to backup to

backup when: regular intervals, user specified, or no suggestion on amahi's part at all, let the user take care of it.