Tested and working make-release script for Hush

[kentsommer]

Running the following, I was able to generate a 1.0.13 release for Hush:

./zcutil/make-release.py v1.0.13 v1.0.12 800000

Note: You need help2man and devscripts installed via your package manager to run this successfully.

Additionally, since the version numbers are already updated for 1.0.13, this script will fail. For subsequent upstream merges, the following files should NOT be manually merged.

• README.md

• configure.ac

• contrib/gitian-descriptors/gitian-linux.yml

• src/clientversion.h

• doc/man/hush-cli.1

• doc/man/hush-tx.1

• doc/man/hushd.1

• contrib/debian/changelog

• doc/authors.md

• doc/release-notes/release-notes-x.x.xx.md

[matthewjamesr]

Thanks for the always stellar work @kentsommer 🚀