Move the recaptcha module files to their new homes (rename-only commit).

--HG--
rename : modules/recaptcha/controllers/admin_recaptcha.php => modules/recaptcha/classes/Recaptcha/Controller/Admin/Recaptcha.php
rename : modules/recaptcha/helpers/recaptcha_event.php => modules/recaptcha/classes/Recaptcha/Hook/RecaptchaEvent.php
rename : modules/recaptcha/helpers/recaptcha_installer.php => modules/recaptcha/classes/Recaptcha/Hook/RecaptchaInstaller.php
rename : modules/recaptcha/helpers/recaptcha_theme.php => modules/recaptcha/classes/Recaptcha/Hook/RecaptchaTheme.php
rename : modules/recaptcha/helpers/recaptcha.php => modules/recaptcha/classes/Recaptcha/Recaptcha.php
rename : modules/recaptcha/css/recaptcha.css => modules/recaptcha/media/recaptcha.css
rename : modules/recaptcha/libraries/Form_Recaptcha.php => modules/recaptcha/orphans/libraries/Form_Recaptcha.php
rename : modules/recaptcha/views/admin_recaptcha.html.php => modules/recaptcha/views/admin/recaptcha.html.php
rename : modules/recaptcha/views/form_recaptcha.html.php => modules/recaptcha/views/recaptcha/form.html.php
Fix the recaptcha module class declarations.
Add the recaptcha module transparent-extension-enabling files.
Search and replace in recaptcha module (39 places).
Merge pull request #247 from shadlaws/k3_recaptcha_module_translate

K3 recaptcha module translation.