- new upstream version 6.3.1
* buffer: Improve performance of Buffer.from(str, 'hex') and
Buffer#write(str, 'hex')
* buffer: Fix creating from zero-length ArrayBuffer
* Backport V8 instanceof bugfix and update to V8 5.0.71.xx
* repl: Fix issue with function redeclaration.
* util: Fix inspecting of boxed symbols.
- 7569.diff - removed, upstreamed
- SHASUM256.txt - added empty file so that gpg check is run
on the SHASUM256.txt.asc, which is not a detached signature

I also removed one line in my older changelog entry which I
forgot to remove before.