update sass-rails and coffe-rails
specify spree version
fix whitespace
[#72428532]
add authorization helpers to spec helper
[#72428532]
update capybara version
[#72428532]
fix poll factory
[#72428532]
fix poll model spec
[#72428532]
fix poll answer spec
[#72428532]
fix pending specs
[#72428532]
move capybara tests to features directory
[#72428532]
use poltergeist for js tests
[#72428532]
fix one vote per person validator

if user_id was nil then it would return all pull votes with user_id
nil, and didnt check for ip_address so it would never work for ip
addresses
[#72428532]