Added CandidatesController, Vote model, edited Candidate, User, Vote model

Election/app/controllers/candidates_controller.rb

+class CandidatesController < ApplicationController
+	def index
+    	@positions = Position.all
+  	end
+end
\ No newline at end of file

Election/app/models/candidate.rb

 class Candidate < ActiveRecord::Base
-	has_many :votes
-	belongs_to :position
+	validates :first_name, presence: true
+	validates :last_name, presence: true
+	validates :slogan, uniqueness: true, presence: true
 end

Election/app/models/user.rb

@@ -3,4 +3,5 @@ class User < ActiveRecord::Base
   # :confirmable, :lockable, :timeoutable and :omniauthable
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
+  has_many :votes
 end

Election/app/models/vote.rb

+class Vote < ActiveRecord::Base
+	belongs_to :user
+	belongs_to :candidate
+	validates :candidate_id, presence: true
+end

Election/db/migrate/20160718023237_create_votes.rb

+class CreateVotes < ActiveRecord::Migration
+  def change
+    create_table :votes do |t|
+      t.text :comments
+
+      t.timestamps null: false
+    end
+  end
+end

Election/test/fixtures/votes.yml

+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  comments: MyText
+
+two:
+  comments: MyText

Election/test/models/vote_test.rb

+require 'test_helper'
+
+class VoteTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end