adding messages mvc to allow users to send messages.

db/migrate/20131011180207_create_messages.rb

@@ -0,0 +1,12 @@
+class CreateMessages < ActiveRecord::Migration
+  def change
+    create_table :messages do |t|
+      t.integer :creator_id
+      t.integer :receiver_id
+      t.text :message
+      t.boolean :read
+
+      t.timestamps
+    end
+  end
+end