Use fenced code blocks with lang specs in README
Add Source-level documentation

- Add documentation for \HotMelt\Action.
- Add documentation for \HotMelt\Config.
- Add documentation for \HotMelt\Cookie.
- Add documentation for \HotMelt\HTTP.
- Add documentation for \HotMelt\HTTPErrorException.
- Add documentation for \HotMelt\JSONView.
- Add documentation for \HotMelt\Log.
- Add documentation for \HotMelt\PDO.
- Add documentation for \HotMelt\PDOStatementDecorator.
- Add documentation for \HotMelt\PersistentObject.
- Add documentation for \HotMelt\RedirectionView (deprecated).
- Add documentation for \HotMelt\Request.
- Add documentation for \HotMelt\Response.
- Add documentation for \HotMelt\Route.
- Add documentation for \HotMelt\TemplateView.
- Add documentation for \HotMelt\View.
- Add documentation for \HotMelt\Middleware.
- Add documentation for \HotMelt\Middleware\BasicAccessAuthentication
  (deprecated).
- Add documentation for \HotMelt\Administration\TextBlockSiteController
  (deprecated).
- Add documentation for autoload.php and dispatch.php.

- Add phpDocumentor configuration file.
Visibility and finality changes

Make HotMelt\Request::HTTPServerRequest() and  HotMelt\View::make()
final.

Make HotMelt\Config final.

Make HotMelt\Middleware::registerHook(),
HotMelt\Middleware::executeHook(), and HotMelt\Middleware::add() final.
Set proper documentation title in phpdoc.xml
Update Readme with new documentation links