admin login uses PDO
list stores uses PDO
made pdo_helper

recreates the previous mysql->insertData and updateData methods
paid offers uses PDO
list terms uses PDO
edit term uses PDO
list brand uses PDO
create brand uses PDO
fix pdo helper

0 affected rows was interpruted as failing
edit brand uses PDO
remove backticks from admin
fix logout
remove backticks from root
minor fix to pdo helper
edit store uses PDO
Merge branch 'PDO'