Added 'Estimated hours' attribute on issues.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@731 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/069_add_issues_estimated_hours.rb

@@ -0,0 +1,9 @@
+class AddIssuesEstimatedHours < ActiveRecord::Migration
+  def self.up
+    add_column :issues, :estimated_hours, :float
+  end
+
+  def self.down
+    remove_column :issues, :estimated_hours
+  end
+end