Upvote notification frequency selection (#6087)

Closes #5963

- Notify on every upvote
- Notify on every tenth upvote
- Notify logarithmically (on 10, 100, 1000...)
- Disable upvote notifications

src/posts/votes.js

@@ -232,6 +232,7 @@ module.exports = function (Posts) {
 					user: {
 						reputation: newreputation,
 					},
+					fromuid: uid,
 					post: postData,
 					upvote: type === 'upvote' && !unvote,
 					downvote: type === 'downvote' && !unvote,