Created payment_session.rb to work with the new transparent feature
add the require to the new object payment session
add direct payment and credit card class
add direct payment and credit card class
Merge branch 'master' of bitbucket.org:rafaelrc13/pag_seguro

Conflicts:
	lib/pag_seguro/direct_payment.rb
	lib/pag_seguro/direct_payment.xml.haml