Removing Smarty source.

Github did not move the graphing/__init__.py file to
Graphing/__init__.py. Need to remove and re-add to fix.

Smarty does not need to be commited to the github, removing from
project, user will be responsible for downloading the newest version of
smarty from their site.

http://www.smarty.net/files/Smarty-stable.tar.gz
http://www.smarty.net/files/Smarty-stable.zip