Add rating comment functionalities
Merge branch 'master' of https://github.com/hzahoori/Tarboz into Tarboz_w8

Conflicts:
	classes/DataAccessorsTier/DBHelper.php
	config.php
	views/shared/header.php
Merge pull request #310 from igoryen/kevin000-issue#182

Kevin000 issue#182
Merge branch 'master' of https://github.com/hzahoori/Tarboz into Tarboz_w8 with Kevin's code

Conflicts:
	classes/DataAccessorsTier/DBHelper.php
Merge pull request #308 from lilyfan/Tarboz_w8

Add rating comment functionalities