added the ability to add safe html tags to input (i.e., images)
- added new white_list_plugin
- changed it so that it is being used for candidate names in quickvotes
- [DH] vendor/plugins/white_list/README
- [DH] vendor/plugins/white_list/Rakefile
- [DH] vendor/plugins/white_list/init.rb
- [DH] vendor/plugins/white_list/lib/white_list_helper.rb
- [DH] vendor/plugins/white_list/test/white_list_test.rb