Update C++ Restbed server samples with OAS2, OAS3 (#165)

* restore restbed samples from codegen2x

* update restbed samples with oas2

* update restbed sample with oas3 (no diff)

bin/openapi3/restbed-petstore-server.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+SCRIPT="$0"
+
+while [ -h "$SCRIPT" ] ; do
+  ls=`ls -ld "$SCRIPT"`
+  link=`expr "$ls" : '.*-> \(.*\)$'`
+  if expr "$link" : '/.*' > /dev/null; then
+    SCRIPT="$link"
+  else
+    SCRIPT=`dirname "$SCRIPT"`/"$link"
+  fi
+done
+
+if [ ! -d "${APP_DIR}" ]; then
+  APP_DIR=`dirname "$SCRIPT"`/..
+  APP_DIR=`cd "${APP_DIR}"; pwd`
+fi
+
+executable="./modules/openapi-generator-cli/target/openapi-generator-cli.jar"
+
+if [ ! -f "$executable" ]
+then
+  mvn clean package
+fi
+
+# if you've executed sbt assembly previously it will use that instead.
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+ags="$@ generate -l cpp-restbed-server -i modules/openapi-generator/src/test/resources/3_0/petstore.yaml -o samples/server/petstore/restbed"
+
+java $JAVA_OPTS -jar $executable $ags

samples/server/petstore/restbed/api/UserApi.cpp

@@ -344,9 +344,9 @@ void UserApiUserLoginResource::GET_method_handler(const std::shared_ptr<restbed:
 			 */
 			
 			if (status_code == 200) {
-				// Description: 
+				// Description: calls per hour allowed by the user
 				session->set_header("X-Rate-Limit", ""); // Change second param to your header value
-				// Description: 
+				// Description: date in UTC when toekn expires
 				session->set_header("X-Expires-After", ""); // Change second param to your header value
 				session->close(200, "successful operation", { {"Connection", "close"} });
 				return;

samples/server/petstore/restbed/api/UserApi.h

@@ -27,6 +27,7 @@
 
 #include "User.h"
 #include <string>
+#include <vector>
 
 namespace io {
 namespace swagger {