initial commit
adds composer.json
progress on refactorings
some more tweaks
additional progress on documentation
made wording of the different sections simpler
some more release preparations
updates conditions
Merge branch 'master' of bitbucket.org:schmittjoh/refactoring-docs

Conflicts:
	README.md
	extract-class/meta.yml
	replace-state-altering-conditionals-with-state/meta.yml