Added duration to tasks. Annotated all models.

db/migrate/20110507184920_add_duration_to_tasks.rb

@@ -0,0 +1,9 @@
+class AddDurationToTasks < ActiveRecord::Migration
+  def self.up
+    add_column :tasks, :duration, :integer
+  end
+
+  def self.down
+    remove_column :tasks, :duration
+  end
+end