@tags.taggables is too costly

All of this is due to a single tag being used 5000+ times causing a 500
error when the taggables were displayed

- Find items to be displayed using Tagging and tag_id
- Paginate items returned
- Map by taggable and compact to avoid nil items
- Remove number of tagged items note from front end due to cost
- Pagination on front end for returned taggings
- Update to use articles and article
version bump