Allow #try_spree_current_user to search for private methods
Allow #try_spree_current_user to search for private methods

When login helper methods #spree_current_user or #current_spree_user are
defined as private, they cannot be found by #try_spree_current_user unless we
instruct explicitly #respond_to? to search among private methods as well.

pervino/solidus,pervino/solidus,pervino/solidus,pervino/solidus