RFR: vcs: lower rename detection to 90%

[Robin Westberg]

On Fri, 14 Aug 2020 16:11:50 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that lowers rename and copy detection for `GitRepository` to `90%`. The default value of
> `50%` is too small for most OpenJDK patches given that the copyright + license header can easily be 19 lines. `99%`
> turned out to be a bit too strict for generating good looking webrevs, so lets take it down to `90%` and see how it
> goes.  Testing:
> - [x] `make test` passes on Linux x64
> 
> Thanks,
> Erik

Sounds good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/714