Correct Libbeat docs directory layout

[strootman]

The /bin was missing from the docs.

[elasticmachine]

Jenkins standing by to test this. If you aren't a maintainer, you can ignore this comment. Someone with commit access, please review this and clear it for Jenkins to run.

[elasticmachine]

Jenkins standing by to test this. If you aren't a maintainer, you can ignore this comment. Someone with commit access, please review this and clear it for Jenkins to run.

[strootman]

Holy moly!
I think this is the fastest one of my PRs has been approved!

Thanks @andrewkroh ;)

[andrewkroh]

Thanks for the PR @strootman.

[tsg]

Sorry I missed this one. I'm afraid it's not entirely correct. The /bin/ part was indeed missing for deb and rpm, but the zip/tar.gz have the binary top-level, so there's no /bin/ part.

[dedemorton]

I'm adding the needs_backport label to this PR, but it needs a forward port to master because the change was made in all branches but master.

Note that I'll also fix the issue where /bin was incorrectly added to the paths for zip/tar.gz.