adds convenience methods and association [#11]

app/models/user.rb

@@ -1,6 +1,10 @@
 class User < ActiveRecord::Base
-  # Include default devise modules. Others available are:
-  # :confirmable, :lockable, :timeoutable and :omniauthable
+  has_many :debates
+
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
+
+  def name
+    "#{first_name} #{last_name}"
+  end
 end