Backup script for Zhang Hai's configuration

Backup my configuration files using symbolic links as target.

Backup

./backup.sh

Name		Name	Last commit message	Last commit date
boot		boot
etc		etc
home/zh		home/zh
usr/share/kbd/keymaps/i386/qwerty		usr/share/kbd/keymaps/i386/qwerty
.gitignore		.gitignore
README.md		README.md
backup.sh		backup.sh