Adding Recaptcha PHP library from Google (version 1.11).
- renamed plugin name (CamelCase)
- implemented basic helper
- implemented basic component
Updating to use the latest version of Google Recaptcha.
Update README.md

Fleshed out README.md a bit better with installation and typical usage example.
Update README.md

Changed title
Removed bootstrap.php (no longer needed) because vendor files were removed.