Upgrades Rails to 4.1.0 and upgrades ruby to 2.1.2
update travis.yml to reflect ruby 2.1.2
try generating deploy_test instead of corgi_test
migrate in travis script
try prepending bundle exec
Merge pull request #196 from southpolesteve/rails_upgrade

Upgrades Rails to 4.1.0 and upgrades ruby to 2.1.2