Removed superfluous 'tracks' directory at the root of the repository.

Testing commits to github.

db/migrate/004_notes.rb

@@ -0,0 +1,15 @@
+class Notes < ActiveRecord::Migration
+  def self.up
+    create_table :notes do |t|
+      t.column :user_id,        :integer,     :null => false
+      t.column :project_id,     :integer,     :null => false
+      t.column :body,           :text
+      t.column :created_at,     :datetime
+      t.column :updated_at,     :datetime
+    end
+  end
+
+  def self.down
+    drop_table :notes
+  end
+end