Added pay_to_email in the config and to the skrill request
Improvements for Skrill gateway

Fixes #89
Remove require for pry from pin_gateway_spec
send bill_to phone and email to authorize.net

Fixes #67
Partial for #66
Add PayJunction gateway and tests

Fixes #92
Remove duplicate engine, SpreeSkrill::Engine

Related to rails/rails#11895
support charging card token and customer card id

https://github.com/Shopify/active_merchant/issues/770

Fixes #93
Include FactoryGirl::Syntax::Methods in spec_helper
Use Braintree's card type detection instead of shoehorning into ActiveMerchant's

Fixes #100