[pgjdbc/pgjdbc] e67e8f: docs: move changelog to separate file (#956)

Branch: refs/heads/master
Home: https://github.com/pgjdbc/pgjdbc
Commit: e67e8f9685e6c8235134baedeb790f39de39e77c
https://github.com/pgjdbc/pgjdbc/commit/e67e8f9685e6c8235134baedeb790f39de39e77c
Author: Jorge Solorzano <jorsol(at)gmail(dot)com>
Date: 2017-10-06 (Fri, 06 Oct 2017)

Changed paths:
A CHANGELOG.md
M README.md
M docs/_posts/2017-02-20-42.0.0-release.md
M docs/_posts/2017-05-04-42.1.0-release.md
M docs/_posts/2017-05-05-42.1.1-release.md
M docs/_posts/2017-07-12-42.1.2-release.md
M docs/_posts/2017-07-14-42.1.3-release.md
M docs/_posts/2017-08-01-42.1.4-release.md
A docs/media/img/slonik_duke.png

Log Message:
-----------
docs: move changelog to separate file (#956)

* docs: move changelog to separate file

Move the section of Changelog in README.md file to a CHANGELOG.md file,
follow a format based on Keep a Changelog.

Starting from 42.0.0 since is the first version to follow a
semantic versioning.

* mention the changelog file in readme

* older releases

* docs: improve changelog wording

this commit improves wording of changelog and also updates the website
release notes

* docs: add commit by authors line

this help to define a different section