adds consistency to answer's namespace

app/models/poll/question.rb

@@ -15,7 +15,7 @@ class Poll::Question < ActiveRecord::Base
 
   has_many :comments, as: :commentable
   has_many :answers
-  has_many :question_answers, class_name: 'Poll::QuestionAnswer', foreign_key: 'poll_question_id'
+  has_many :question_answers, class_name: 'Poll::Question::Answer', foreign_key: 'poll_question_id'
   has_many :partial_results
   belongs_to :proposal
 

app/models/poll/question/answer.rb

@@ -1,4 +1,4 @@
-class Poll::QuestionAnswer < ActiveRecord::Base
+class Poll::Question::Answer < ActiveRecord::Base
   belongs_to :question, class_name: 'Poll::Question', foreign_key: 'poll_question_id'
 
   validates :title, presence: true