Merge pull request #1 from dwise006/master

to get david's changes
Added emailpreview.php and function to support it in emailclass.php.

David, I also put the uploaded file location in the siteConfig table and
updated config/general.php
removed extraneous files from /emvi/content
fixed path for DB_Class
Merge pull request #13 from kwals010/master

Here's the preview function