This post is for all tag synonyms and tag merges so that we don't end up filling the front page of meta with synonym and merge requests.
How to use this post
Post each requested tag synonym and tag merge as an answer below. Try to post one tag per answer, where "one tag" is one remaining tag after the merge/synonym has been actioned so that we can keep it nice, clean and obvious what is going on.
Post your answers as community wikis so that they can be maintained by anybody.
Upvote and downvote each answer to show your agreement or disagreement with the proposal, post your thoughts in comments against each answer. Delete completed merges and synonyms from the answer list so that it's obvious what is still outstanding.