[core] Initial FeatureSet structures and definitions (#3614)

[core] Initial FeatureSet structures and definitions
Add default feature set to DefaultCodegen
Initial FeatureSet definitions for:

*  ada 
*  android 
*  apache2 
*  asciidoc 
*  aspnetcore 
*  avro 
*  bash 
*  c 
*  clojure 
*  cpp-pistache-server 
*  cpp-qt5-client 
*  cpp-qt5-qhttpengine-server 
*  cpp-restbed-server 
*  cpp-restsdk 
*  cpp-tizen 
*  csharp 
*  csharp-nancyfx 
*  csharp-netcore 
*  cwiki 
*  dart 
*  eiffel 
*  elixir 
*  elm 
*  erlang 
*  flash 
*  fsharp-functions 
*  go  Client/Server
*  graphql-nodejs-express-server 
*  graphql-schema 
*  groovy 
*  haskell 
*  haskell-http-client 
*  java 
*  jmeter 
*  kotlin 
*  kotlin vertx 
*  kotlin-server 
*  kotlin-spring 
*  lua 
*  mysql 
*  nim 
*  nodejs 
*  nodejs-express 
*  objc 
*  ocaml 
*  openapi 
*  openapi-yaml 
*  perl 
*  php 
*  php-laravel 
*  php-lumen 
*  php-silex 
*  php-slim 
*  php-symfony 
*  php-ze-ph 
*  powershell 
*  protobuf 
*  protobuf-schema 
*  python 
*  python-aiohttp 
*  python-blueplanet 
*  python-experimental 
*  r 
*  ror 
*  ruby 
*  ruby 
*  ruby-sinatra 
*  rust 
*  scala-akka 
*  scala-finch 
*  scala-gatling 
*  scala-http-client 
*  scala-lagom 
*  scala-play 
*  scalatra 
*  scalaz 
*  spring 
*  static docs 
*  swift 
*  typescript

samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/README.md

@@ -133,7 +133,7 @@ Method | HTTP request | Description
 [**fakeOuterStringSerialize**](docs/fake_api.md#fakeOuterStringSerialize) | **POST** /fake/outer/string | 
 [**testBodyWithQueryParams**](docs/fake_api.md#testBodyWithQueryParams) | **PUT** /fake/body-with-query-params | 
 [**testClientModel**](docs/fake_api.md#testClientModel) | **PATCH** /fake | To test \"client\" model
-[**testEndpointParameters**](docs/fake_api.md#testEndpointParameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+[**testEndpointParameters**](docs/fake_api.md#testEndpointParameters) | **POST** /fake | Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 [**testEnumParameters**](docs/fake_api.md#testEnumParameters) | **GET** /fake | To test enum parameters
 [**testInlineAdditionalProperties**](docs/fake_api.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](docs/fake_api.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data

samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/api/openapi.yaml

@@ -713,11 +713,11 @@ paths:
       - fake
       x-codegen-request-body-name: body
     post:
-      description: |
+      description: |-
         Fake endpoint for testing various parameters
-        假端點
-        偽のエンドポイント
-        가짜 엔드 포인트
+         假端點
+         偽のエンドポイント
+         가짜 엔드 포인트
       operationId: testEndpointParameters
       requestBody:
         content:
@@ -804,11 +804,11 @@ paths:
           description: User not found
       security:
       - http_basic_test: []
-      summary: |
+      summary: |-
         Fake endpoint for testing various parameters
-        假端點
-        偽のエンドポイント
-        가짜 엔드 포인트
+         假端點
+         偽のエンドポイント
+         가짜 엔드 포인트
       tags:
       - fake
   /fake/outer/number:

samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/docs/fake_api.md

@@ -10,7 +10,7 @@ Method | HTTP request | Description
 **fakeOuterStringSerialize**](fake_api.md#fakeOuterStringSerialize) | **POST** /fake/outer/string | 
 **testBodyWithQueryParams**](fake_api.md#testBodyWithQueryParams) | **PUT** /fake/body-with-query-params | 
 **testClientModel**](fake_api.md#testClientModel) | **PATCH** /fake | To test \"client\" model
-**testEndpointParameters**](fake_api.md#testEndpointParameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+**testEndpointParameters**](fake_api.md#testEndpointParameters) | **POST** /fake | Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 **testEnumParameters**](fake_api.md#testEnumParameters) | **GET** /fake | To test enum parameters
 **testInlineAdditionalProperties**](fake_api.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 **testJsonFormData**](fake_api.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
@@ -207,9 +207,9 @@ No authorization required
 
 # **testEndpointParameters**
 > testEndpointParameters(ctx, number, double, pattern_without_delimiter, byte, optional)
-Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 
-Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 
 ### Required Parameters
 

samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/examples/server_lib/server.rs

@@ -108,7 +108,7 @@ impl<C> Api<C> for Server<C> where C: Has<XSpanIdString>{
         Box::new(futures::failed("Generic failure".into()))
     }
 
-    /// Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+    /// Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
     fn test_endpoint_parameters(&self, number: f64, double: f64, pattern_without_delimiter: String, byte: swagger::ByteArray, integer: Option<i32>, int32: Option<i32>, int64: Option<i64>, float: Option<f32>, string: Option<String>, binary: Option<swagger::ByteArray>, date: Option<chrono::DateTime<chrono::Utc>>, date_time: Option<chrono::DateTime<chrono::Utc>>, password: Option<String>, callback: Option<String>, context: &C) -> Box<dyn Future<Item=TestEndpointParametersResponse, Error=ApiError>> {
         let context = context.clone();
         println!("test_endpoint_parameters({}, {}, \"{}\", {:?}, {:?}, {:?}, {:?}, {:?}, {:?}, {:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}", number, double, pattern_without_delimiter, byte, integer, int32, int64, float, string, binary, date, date_time, password, callback, context.get().0.clone());

samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/src/lib.rs

@@ -339,7 +339,7 @@ pub trait Api<C> {
     /// To test \"client\" model
     fn test_client_model(&self, body: models::Client, context: &C) -> Box<dyn Future<Item=TestClientModelResponse, Error=ApiError>>;
 
-    /// Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+    /// Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
     fn test_endpoint_parameters(&self, number: f64, double: f64, pattern_without_delimiter: String, byte: swagger::ByteArray, integer: Option<i32>, int32: Option<i32>, int64: Option<i64>, float: Option<f32>, string: Option<String>, binary: Option<swagger::ByteArray>, date: Option<chrono::DateTime<chrono::Utc>>, date_time: Option<chrono::DateTime<chrono::Utc>>, password: Option<String>, callback: Option<String>, context: &C) -> Box<dyn Future<Item=TestEndpointParametersResponse, Error=ApiError>>;
 
     /// To test enum parameters
@@ -440,7 +440,7 @@ pub trait ApiNoContext {
     /// To test \"client\" model
     fn test_client_model(&self, body: models::Client) -> Box<dyn Future<Item=TestClientModelResponse, Error=ApiError>>;
 
-    /// Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+    /// Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
     fn test_endpoint_parameters(&self, number: f64, double: f64, pattern_without_delimiter: String, byte: swagger::ByteArray, integer: Option<i32>, int32: Option<i32>, int64: Option<i64>, float: Option<f32>, string: Option<String>, binary: Option<swagger::ByteArray>, date: Option<chrono::DateTime<chrono::Utc>>, date_time: Option<chrono::DateTime<chrono::Utc>>, password: Option<String>, callback: Option<String>) -> Box<dyn Future<Item=TestEndpointParametersResponse, Error=ApiError>>;
 
     /// To test enum parameters
@@ -566,7 +566,7 @@ impl<'a, T: Api<C>, C> ApiNoContext for ContextWrapper<'a, T, C> {
         self.api().test_client_model(body, &self.context())
     }
 
-    /// Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+    /// Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
     fn test_endpoint_parameters(&self, number: f64, double: f64, pattern_without_delimiter: String, byte: swagger::ByteArray, integer: Option<i32>, int32: Option<i32>, int64: Option<i64>, float: Option<f32>, string: Option<String>, binary: Option<swagger::ByteArray>, date: Option<chrono::DateTime<chrono::Utc>>, date_time: Option<chrono::DateTime<chrono::Utc>>, password: Option<String>, callback: Option<String>) -> Box<dyn Future<Item=TestEndpointParametersResponse, Error=ApiError>> {
         self.api().test_endpoint_parameters(number, double, pattern_without_delimiter, byte, integer, int32, int64, float, string, binary, date, date_time, password, callback, &self.context())
     }