Fixed product category data with the help of Sly
Merge branch 'master' of https://github.com/aldrin15/salespace_ecommerce

Conflicts:
	application/modules/sites_ecommerce/views/tpl_product_create.php
	application/modules/tmpl_product_categories/controllers/tmpl_product_categories.php

Backup all conflicted file for now to get the updated source codes