Update default value for PHP server generators (slim, silex) (#272)

* update php slim samples

* update php silex samples

* update php silex default value

samples/server/petstore/php-symfony/SymfonyBundle-php/README.md

@@ -1,7 +1,7 @@
-# SwaggerServer
+# OpenAPIServer
 This is a sample server Petstore server.  You can find out more about Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/).  For this sample, you can use the api key `special-key` to test the authorization filters.
 
-This [Symfony](https://symfony.com/) bundle is automatically generated by the [Swagger Codegen](https://github.com/swagger-api/swagger-codegen) project:
+This [Symfony](https://symfony.com/) bundle is automatically generated by the [OpenAPI Generator](https://github.com/openapitools/openapi-generator) project:
 
 - API version: 1.0.0
 - Build package: org.openapitools.codegen.languages.PhpSymfonyServerCodegen
@@ -26,7 +26,7 @@ To install the dependencies via [Composer](http://getcomposer.org/), add the fol
 Then run:
 
 ```
-composer require swagger/server-bundle:dev-master
+composer require openapi/server-bundle:dev-master
 ```
 
 to add the generated swagger bundle as a dependency.
@@ -55,7 +55,7 @@ public function registerBundles()
 {
     $bundles = array(
         // ...
-        new Swagger\Server\SwaggerServerBundle(),
+        new OpenAPI\Server\OpenAPIServerBundle(),
         // ...
     );
 }
@@ -65,8 +65,8 @@ Step 3: Register the routes:
 
 ```yaml
 # app/config/routing.yml
-swagger_server:
-    resource: "@SwaggerServerBundle/Resources/config/routing.yml"
+open_apiserver:
+    resource: "@OpenAPIServerBundle/Resources/config/routing.yml"
 ```
 
 Step 4: Implement the API calls:
@@ -77,7 +77,7 @@ Step 4: Implement the API calls:
 
 namespace Acme\MyBundle\Api;
 
-use Swagger\Server\Api\PetApiInterface;
+use OpenAPI\Server\Api\PetApiInterface;
 
 class PetApi implements PetApiInterface // An interface is autogenerated
 {
@@ -111,7 +111,7 @@ services:
     acme.my_bundle.api.pet:
         class: Acme\MyBundle\Api\PetApi
         tags:
-            - { name: "swagger_server.api", api: "pet" }
+            - { name: "open_apiserver.api", api: "pet" }
     # ...
 ```