Added fix script to update the correct tagcount for all posts

script/fixes/050_fix_post_tagcount.rb

@@ -0,0 +1,20 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
+
+CurrentUser.user = User.system
+CurrentUser.ip_addr = "127.0.0.1"
+
+Post.without_timeout do
+  Post.where("updated_at > ? ", Date.parse("2017-11-12")).find_each do |post|
+    Post.fix_post_counts(post)
+  end
+end
+
+Tag.without_timeout do
+  Tag.where(category: Tag.categories.meta).find_each do |tag|
+    Post.raw_tag_match(tag.name).where("true").find_each do |post|
+      Post.fix_post_counts(post)
+    end
+  end
+end