For #738

File was missing in fix by ADDCreative
Update error_log.php

Was producing error when applying filesize() before file_exists()
updated the admin to use confirm before deleting.

started converting the frontend to use bootstrap 3
more front end work done
more front end work done
updating the checkout system to integrate with bootstrap 3
more front end boot strap integration
Typo
updated the mysqli class since the mysql class was being deprecated.
removed allow downloads
added mysqli option to the install
Merge pull request #866 from polyetilen/patch-2

Typo
Update modification.php
Update modification.php
Update modification_form.tpl
more checkout work done
huty
checkout now fully working with bootstrap
added more integration code for the front end and bootstrap 3
Merge pull request #874 from helgvor-stoll/master

Extensions > Modifications: Version is missing
fixed some of the issue people have posted.