Update all the samples.

(except clojure + scalatra, because those are broken, will fixed with later master merge.)

samples/client/petstore/java/jersey2-java8/docs/FakeClassnameTags123Api.md

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+# FakeClassnameTags123Api
+
+All URIs are relative to *http://petstore.swagger.io/v2*
+
+Method | HTTP request | Description
+------------- | ------------- | -------------
+[**testClassname**](FakeClassnameTags123Api.md#testClassname) | **PATCH** /fake_classname_test | To test class name in snake case
+
+
+<a name="testClassname"></a>
+# **testClassname**
+> Client testClassname(body)
+
+To test class name in snake case
+
+### Example
+```java
+// Import classes:
+//import io.swagger.client.ApiException;
+//import io.swagger.client.api.FakeClassnameTags123Api;
+
+
+FakeClassnameTags123Api apiInstance = new FakeClassnameTags123Api();
+Client body = new Client(); // Client | client model
+try {
+    Client result = apiInstance.testClassname(body);
+    System.out.println(result);
+} catch (ApiException e) {
+    System.err.println("Exception when calling FakeClassnameTags123Api#testClassname");
+    e.printStackTrace();
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **body** | [**Client**](Client.md)| client model |
+
+### Return type
+
+[**Client**](Client.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json
+ - **Accept**: application/json
+

samples/client/petstore/java/jersey2-java8/src/main/java/io/swagger/client/api/FakeClassnameTags123Api.java

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+package io.swagger.client.api;
+
+import io.swagger.client.ApiException;
+import io.swagger.client.ApiClient;
+import io.swagger.client.Configuration;
+import io.swagger.client.Pair;
+
+import javax.ws.rs.core.GenericType;
+
+import io.swagger.client.model.Client;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+public class FakeClassnameTags123Api {
+  private ApiClient apiClient;
+
+  public FakeClassnameTags123Api() {
+    this(Configuration.getDefaultApiClient());
+  }
+
+  public FakeClassnameTags123Api(ApiClient apiClient) {
+    this.apiClient = apiClient;
+  }
+
+  public ApiClient getApiClient() {
+    return apiClient;
+  }
+
+  public void setApiClient(ApiClient apiClient) {
+    this.apiClient = apiClient;
+  }
+
+  /**
+   * To test class name in snake case
+   * 
+   * @param body client model (required)
+   * @return Client
+   * @throws ApiException if fails to make API call
+   */
+  public Client testClassname(Client body) throws ApiException {
+    Object localVarPostBody = body;
+    
+    // verify the required parameter 'body' is set
+    if (body == null) {
+      throw new ApiException(400, "Missing the required parameter 'body' when calling testClassname");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/fake_classname_test".replaceAll("\\{format\\}","json");
+
+    // query params
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+
+    
+    
+    final String[] localVarAccepts = {
+      "application/json"
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      "application/json"
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+    GenericType<Client> localVarReturnType = new GenericType<Client>() {};
+    return apiClient.invokeAPI(localVarPath, "PATCH", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, localVarReturnType);
+      }
+}

samples/client/petstore/java/jersey2-java8/src/test/java/io/swagger/client/api/FakeClassnameTags123ApiTest.java

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+/*
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ */
+
+
+package io.swagger.client.api;
+
+import io.swagger.client.ApiException;
+import io.swagger.client.model.Client;
+import org.junit.Test;
+import org.junit.Ignore;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * API tests for FakeClassnameTags123Api
+ */
+@Ignore
+public class FakeClassnameTags123ApiTest {
+
+    private final FakeClassnameTags123Api api = new FakeClassnameTags123Api();
+
+    
+    /**
+     * To test class name in snake case
+     *
+     * 
+     *
+     * @throws ApiException
+     *          if the Api call fails
+     */
+    @Test
+    public void testClassnameTest() throws ApiException {
+        Client body = null;
+        Client response = api.testClassname(body);
+
+        // TODO: test validations
+    }
+    
+}