Github user mmiklavc commented on the issue: https://github.com/apache/incubator-metron/pull/477 +1 when the extra [MD5] link gets removed. Both point to the same file.  I ran this locally and clicked through all of the new doc book links in "current-book". I checked for any remaining references to 0.3.0 and found none not referring to upgrade paths. Verified the download goes to the correct downloads link.
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