Custom fields for issues can now be used as filters on issue list.

To use a custom field as a filter, check "Used as a filter" on the custom field edit screen.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@447 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/038_add_custom_field_is_filter.rb

@@ -0,0 +1,9 @@
+class AddCustomFieldIsFilter < ActiveRecord::Migration
+  def self.up
+    add_column :custom_fields, :is_filter, :boolean, :null => false, :default => false
+  end
+
+  def self.down
+    remove_column :custom_fields, :is_filter
+  end
+end