Merge pull request #11 from fruitschen/master

add the ability to exclude tables when doing mysql db backup
Added restore media for rsync backup. Bug fixes, readme.

Allowed ./manage.py restore --media to restore the mysql database
and media folder from a backup made with rsync.

Changed requirements.txt to require a much newer version of pysftp
as the previous version did not support mkdir which was being used.

Clarified flag usage in readme file and added new example.
Merge pull request #12 from Ellipsis753/master

Added restore media for rsync backup. Bug fixes, readme.
Restores made with rsync rather than just copying the files.

Previously backups made with rsync would be restored by transfering
the files over in compressed form. Now they will be restored using rsync.

This will reduce the network traffic in cases where some files
are already present on the computer to be restored to.
Merge pull request #13 from Ellipsis753/master

Restores made with rsync rather than just copying the files.
append table structures of blacklist_tables