Part of the project to change all tags to be hyphenated.
added liquid to pull in snippets (if they exist) for the tags into the tag pages.
This is in place for the above tag, and will be set for all new tags.
Older tags will be updated gradually.
expanded SERP support for query-snippets (these are hand-crafted snippets for queries; they will appear at the top of some search result pages; they may also include a canonical-result)