Merge branch 'hotfix/composer-branch-alias'

Per zfcampus/zf-apigility-skeleton#58
Fix gitignore parameter propagation
Add requirements section to README.md

- Pointing to composer.json
Merge pull request #15 from neeckeloo/gitignore-parameter-propagation

Fix gitignore parameter propagation
Merge branch 'hotfix/requirements' into develop

Close #18