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

Testing commits to github.

db/migrate/031_add_default_context_to_project.rb

@@ -0,0 +1,9 @@
+class AddDefaultContextToProject < ActiveRecord::Migration
+  def self.up
+     add_column :projects, :default_context_id, :integer
+  end
+
+  def self.down
+    remove_column :projects, :default_context_id
+  end
+end