add @marked_for_same_origin_verification to @@ignored_assigns
add @marked_for_same_origin_verification to @@ignored_assigns

it's used in Rails 4.1

Signed-off-by: Joshua Paling <7176df467bdfdaea708047a9df6afb8c26fa3734@gmail.com>

oakbow/rails-footnotes,oakbow/rails-footnotes