Add ruby 2.0.0 to travis
Add ruby 2.0.0 to travis

stewbawka/catarse_wepay,tbly/catarse_paypal_adaptive,joshblour/catarse_paypal_adaptive,centaurustech/catarse_paypal_express,cesvald/catarse_paypal_express,centaurustech/catarse_paypal_express,Betahackers/catarse_offline_payment,joshblour/catarse_paypal_adaptive,stewbawka/catarse_wepay,cesvald/catarse_paypal_express,Betahackers/catarse_offline_payment,devton/catarse_paypal_express,devton/catarse_paypal_express,Betahackers/catarse_offline_payment,tbly/catarse_paypal_adaptive,tbly/catarse_paypal_adaptive,centaurustech/catarse_paypal_express,joshblour/catarse_paypal_adaptive,cesvald/catarse_paypal_express,stewbawka/catarse_wepay