Tags cloud (annotated tag list) refactored and supports two conditions: for published only and for all news, that depends on CMS toolbar's edit mode, usually. Available for news instance via `get_tags` and `get_all_tags` methods and for  queryset managers as `tag_cloud` method. Some DRY-cleaning also.
Tags cloud (annotated tag list) refactored and supports two conditions: for published only and for all news, that depends on CMS toolbar's edit mode, usually. Available for news instance via `get_tags` and `get_all_tags` methods and for  queryset managers as `tag_cloud` method.
Some DRY-cleaning also.

okfish/django-oscar-news,okfish/django-oscar-news