Added Venmo Gem
Added Venmo gemfile
Setup gem requirement for Venmo using the documentations. Added SessionsController + routes + omniauth.rb + setup necessary to use Omniauth in the application_controller.rb
Merge branch 'master' of https://github.com/Peege151/whopays into Venmo
Merge pull request #3 from Peege151/Venmo

Venmo