Add 'workaround=rename' mount option (Fixes #4 thank you @jonbrett)
Fix markup
Document fix for Issue #4
Recognize DSA and ECDSA keys as well as RSA (refs #1)
Update README install for Fedora
Use groupadd/groupdel as fallback in install

- Fedora uses groupadd/groupdel for groups management
- Use of -f (force) flag means install target doesn't fail if group
  already exists (e.g. if running install a second time)
Use systemctl to restart autofs

- Fedora uses systemd