For #738

File was missing in fix by ADDCreative
Update error_log.php

Was producing error when applying filesize() before file_exists()
changing the bootstrap to bootstrap 3 rc2
changing the bootstrap to bootstrap 3 rc2
changing the bootstrap to bootstrap 3 rc2
updating to bootstrap rc2
updating with bootstrap rc2
updating the admin style again
filemanager update
updated the checkout system to use bootstrap 3
admin design updated. with bootstrap 3
more of the new admin design added
change the field name size to col-2
more admin template work done
more admin work done
more admin work done and updated jquery to the latest
finished the admin header.php

added responsive table tag to all list pages.
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