Merge pull request #15 from allegro/development

development -> master
updated changelog and readme before release
Info about setting version in multi-project builds

A supplement to my previous commit.
Merge pull request #16 from szpak/patch-1

Info about setting version in multi-project builds
Merge branch 'master' into development

Conflicts:
	CHANGELOG.md
	README.md
resolve #19 - compatibility with newer version of Java Semver