Added track files

db/migrate/20111012063952_add_available_flag_to_tracks.rb

@@ -0,0 +1,5 @@
+class AddAvailableFlagToTracks < ActiveRecord::Migration
+  def change
+    add_column :tracks, :available, :boolean
+  end
+end

db/migrate/20111012064322_create_track_files.rb

@@ -0,0 +1,12 @@
+class CreateTrackFiles < ActiveRecord::Migration
+  def change
+    create_table :track_files do |t|
+      t.integer :track_id
+      t.integer :owner_id
+      t.integer :audio_id
+      t.integer :rating
+
+      t.timestamps
+    end
+  end
+end