Merge branch 'hotfix/65'

Fixes zfcampus/zf-apigility-skeleton#65

Actually, doesn't really _fix_ it, so much as address it in the documentation.
Fixed the parsing of relative links + oauth2 doc improvement
[#31] Reviewed and edited
[#31] Updated module docs

- Ran `fetch_module_readme_files.php` to slurp in changes to README.md files and
  verify that the changes made work. They do!
Merge branch 'hotfix/31' into develop

Forward port #31