added simple svn statistics graphs, rendered using SVG::Graph

git-svn-id: http://redmine.rubyforge.org/svn/trunk@380 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/036_add_changeset_commit_date.rb

@@ -0,0 +1,10 @@
+class AddChangesetCommitDate < ActiveRecord::Migration
+  def self.up
+    add_column :changesets, :commit_date, :date, :null => false
+    Changeset.update_all "commit_date = committed_on"
+  end
+
+  def self.down
+    remove_column :changesets, :commit_date
+  end
+end