Add migration for already imported projects

db/migrate/20140313092127_migrate_already_imported_projects.rb

+class MigrateAlreadyImportedProjects < ActiveRecord::Migration
+  def up
+    Project.where(imported: true).update_all(import_status: "finished")
+    Project.where(imported: false).update_all(import_status: "none")
+    remove_column :projects, :imported
+  end
+
+  def down
+    add_column :projects, :imported, :boolean, default: false
+    Project.where(import_status: 'finished').update_all(imported: true)
+  end
+end