fix wrong name at routes
rename 'boleto' to slip into routes
application javascripts to handle with dom events
Configure pagame api key into ApplicationController before_action
Payment types abstraction
review view
added slip_tax and credit_card_tax into configuration for get the fee
finished slip payment
Merge branch 'master' of github.com:catarse/catarse_pagarme

* 'master' of github.com:catarse/catarse_pagarme:
  Update README.md