Updates the release script to use the actual GOPATH directory as
previous problems with commit hashes / versions in `kompose version`.
Cleans this up in regards to all the `cd` and `cd ..` commands.
No need to `git clone`.
This updates the release script to add the changelog gem as well as
clean up some of the scripts.
This also updates the binaries being uploaded and the messages being
passed onto the tag description on GitHub.
This adds a release script automating the changelog, notes as well as
release (to GitHub) via the CLI / a simple script.
The caveat is the next release will have to have `v` removed from the
title in order for `changelog()` function to work correctly.
Some changes to all upcoming releases are:
- Using `git shortlog` instead of
https://github.com/skywinder/Github-Changelog-Generator
