Added default language pack (en-gb)

admin/extension/captcha/google.php

@@ -0,0 +1,19 @@
+<?php
+// Heading
+$_['heading_title']    = 'Google reCAPTCHA';
+
+// Text
+$_['text_extension']   = 'Extensions';
+$_['text_success']     = 'Success: You have modified Google reCAPTCHA!';
+$_['text_edit']        = 'Edit Google reCAPTCHA';
+$_['text_signup']      = 'Go to <a href="https://www.google.com/recaptcha/intro/index.html" target="_blank"><u>Google reCAPTCHA page</u></a> and register your website.';
+
+// Entry
+$_['entry_key']        = 'Site key';
+$_['entry_secret']     = 'Secret key';
+$_['entry_status']     = 'Status';
+
+// Error
+$_['error_permission'] = 'Warning: You do not have permission to modify Google reCAPTCHA!';
+$_['error_key']        = 'Key required!';
+$_['error_secret']     = 'Secret required!';