Fix Fatal error: Class 'HTML' not found in install/views/form.php line 152

Fix Bug/Regression after Merge pull request #280 from emanwebdev/html_fixes ( committed here: https://github.com/open-classifieds/open-eshop/commit/98fbe727141620a6b208d04b3f49900d2887a565 )
Merge pull request #281 from RedActin/master

Fix Fatal error: Class 'HTML' not found in install/views/form.php line 1...