[Doc] Update installation

Resources/doc/installation.md

@@ -1,15 +1,9 @@
 # Installation
 
-## Symfony 2.1.*
-
 Require the bundle in your composer.json file:
 
 ```
-{
-    "require": {
-        "egeloen/ckeditor-bundle": "~2.0",
-    }
-}
+$ composer require egeloen/ckeditor-bundle --no-update
 ```
 
 Register the bundle:
@@ -29,59 +23,5 @@ public function registerBundles()
 Install the bundle:
 
 ```
-$ composer update
-```
-
-## Symfony 2.0.*
-
-Add Ivory CKEditor bundle to your deps file:
-
-```
-[IvoryCKEditorBundle]
-    git=http://github.com/egeloen/IvoryCKEditorBundle.git
-    target=bundles/Ivory/CKEditorBundle
-    version=1.1.9
-```
-
-I recommend you to specify a version in order to easily maintain your project. The versions are available in the
-[CHANGELOG](https://github.com/egeloen/IvoryCKEditorBundle/blob/master/CHANGELOG.md).
-
-Autoload the Ivory CKEditor bundle namespaces:
-
-``` php
-// app/autoload.php
-
-$loader->registerNamespaces(array(
-    'Ivory\\CKEditorBundle' => __DIR__.'/../vendor/bundles',
-    // ...
-);
+$ composer update egeloen/ckeditor-bundle
 ```
-
-Register the bundle:
-
-``` php
-// app/AppKernel.php
-
-public function registerBundles()
-{
-    return array(
-        new Ivory\CKEditorBundle\IvoryCKEditorBundle(),
-        // ...
-    );
-}
-```
-
-Run the vendors script:
-
-``` bash
-$ php bin/vendors install
-```
-
-Warning, if you don't register the bundle in the kernel before installing it, the assets will not be populated in
-your `web` directory. To fix it, simply run:
-
-``` bash
-$ php app/console assets:install --symlink
-```
-
-Be aware that the Symfony 2.0 version of the bundle is no longer maintain.