Commented some methods in DataBaseStructures, Article, Bean, Book and GenericBeanDAO
Commented selectBeanWhere, deleteBean and init methods on GenericBeanDAO
Commented methods countBean and firstOrLastBean on GenericBeanDAO
Merge branch 'First_Task' of https://github.com/brenddongontijo/Tecnicas-de-Programacao-2014-2-Grupo-08 into First_Task