Merge branch 'v2'

* v2:
  errata corrige, version ^2.0 was ^2.1

README.md

@@ -5,7 +5,7 @@ Simple Google ReCaptcha package for Laravel 5
 
 You can install the package via composer:
 ```sh
-composer require biscolab/laravel-recaptcha:^2.1
+composer require biscolab/laravel-recaptcha:^2.0
 ```
 The service **provider** must be registered in `config/app.php`:
 ```php