Update Rake release task to push to github.com
Update Rake release task to push to github.com

bytemarkinc/braintree_ios,TeachersPayTeachers/braintree_ios,braintree/braintree_ios,TeachersPayTeachers/braintree_ios,billCTG/braintree_ios,billCTG/braintree_ios,EverettQuebral/braintree_ios,bytemarkinc/braintree_ios,TeachersPayTeachers/braintree_ios,EverettQuebral/braintree_ios,EverettQuebral/braintree_ios,bytemarkinc/braintree_ios,Feverup/braintree_ios,bytemarkinc/braintree_ios,braintree/braintree_ios,braintree/braintree_ios,apascual/braintree_ios,Feverup/braintree_ios,mickeyreiss/braintree_ios,billCTG/braintree_ios,mickeyreiss/braintree_ios,TeachersPayTeachers/braintree_ios,mickeyreiss/braintree_ios,apascual/braintree_ios,TeachersPayTeachers/braintree_ios,mickeyreiss/braintree_ios,braintree/braintree_ios,billCTG/braintree_ios,billCTG/braintree_ios,Feverup/braintree_ios,EverettQuebral/braintree_ios,EverettQuebral/braintree_ios,bytemarkinc/braintree_ios,Feverup/braintree_ios,apascual/braintree_ios,apascual/braintree_ios