User groups feature initial commit.

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1373 e93f8b46-1217-0410-a6f0-8f06a7374b81

groups/db/migrate/093_create_groups.rb

@@ -0,0 +1,11 @@
+class CreateGroups < ActiveRecord::Migration
+  def self.up
+    create_table :groups do |t|
+      t.column :name, :string, :null => false
+    end
+  end
+
+  def self.down
+    drop_table :groups
+  end
+end