Merge pull request #15 from teamTL2/php_login2

login Object-Oriented php
Object-Oriented PHP for register.php(RegisterClass.php), profile.php(ProfileData.php) kai database connection(DBConnection)
Merge pull request #17 from teamTL2/OO_ProfileData

Object-Oriented PHP for register.php(RegisterClass.php), profile.php(Pro...
login