diff --git a/3rdparty/cpprestsdk/src/json/json.cpp b/3rdparty/cpprestsdk/src/json/json.cpp
deleted file mode 100644
index 2bd7f71ab7e76d3f20cfe16da627ea9959aafd06..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/src/json/json.cpp
+++ /dev/null
@@ -1,489 +0,0 @@
-/***
-* ==++==
-*
-* Copyright (c) Microsoft Corporation. All rights reserved.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-* ==--==
-* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-*
-* HTTP Library: JSON parser and writer
-*
-* For the latest on this and related APIs, please see http://casablanca.codeplex.com.
-*
-* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
-****/
-
-#include "stdafx.h"
-
-using namespace web;
-
-bool json::details::g_keep_json_object_unsorted = false;
-void json::keep_object_element_order(bool keep_order)
-{
-    json::details::g_keep_json_object_unsorted = keep_order;
-}
-
-utility::ostream_t& web::json::operator << (utility::ostream_t &os, const web::json::value &val)
-{
-    val.serialize(os);
-    return os;
-}
-
-utility::istream_t& web::json::operator >> (utility::istream_t &is, json::value &val)
-{
-    val = json::value::parse(is);
-    return is;
-}
-
-web::json::value::value() :
-    m_value(utility::details::make_unique<web::json::details::_Null>())
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Null)
-#endif
-    { }
-
-web::json::value::value(int32_t value) :
-    m_value(utility::details::make_unique<web::json::details::_Number>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Number)
-#endif
-    { }
-
-web::json::value::value(uint32_t value) :
-    m_value(utility::details::make_unique<web::json::details::_Number>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Number)
-#endif
-    { }
-
-web::json::value::value(int64_t value) :
-    m_value(utility::details::make_unique<web::json::details::_Number>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Number)
-#endif
-    { }
-
-web::json::value::value(uint64_t value) :
-    m_value(utility::details::make_unique<web::json::details::_Number>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Number)
-#endif
-    { }
-
-web::json::value::value(double value) :
-    m_value(utility::details::make_unique<web::json::details::_Number>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Number)
-#endif
-    { }
-
-web::json::value::value(bool value) :
-    m_value(utility::details::make_unique<web::json::details::_Boolean>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::Boolean)
-#endif
-    { }
-
-web::json::value::value(utility::string_t value) :
-    m_value(utility::details::make_unique<web::json::details::_String>(std::move(value)))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::String)
-#endif
-    { }
-
-web::json::value::value(utility::string_t value, bool has_escape_chars) :
-m_value(utility::details::make_unique<web::json::details::_String>(std::move(value), has_escape_chars))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-, m_kind(value::String)
-#endif
-{ }
-
-web::json::value::value(const utility::char_t* value) :
-    m_value(utility::details::make_unique<web::json::details::_String>(value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(value::String)
-#endif
-    { }
-
-web::json::value::value(const utility::char_t* value, bool has_escape_chars) :
-m_value(utility::details::make_unique<web::json::details::_String>(utility::string_t(value), has_escape_chars))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-, m_kind(value::String)
-#endif
-{ }
-
-web::json::value::value(const value &other) :
-    m_value(other.m_value->_copy_value())
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(other.m_kind)
-#endif
-    { }
-
-web::json::value &web::json::value::operator=(const value &other)
-{
-    if(this != &other)
-    {
-        m_value = std::unique_ptr<details::_Value>(other.m_value->_copy_value());
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-        m_kind = other.m_kind;
-#endif
-    }
-    return *this;
-}
-
-web::json::value::value(value &&other) CPPREST_NOEXCEPT :
-    m_value(std::move(other.m_value))
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-    ,m_kind(other.m_kind)
-#endif
-{}
-
-web::json::value &web::json::value::operator=(web::json::value &&other) CPPREST_NOEXCEPT
-{
-    if(this != &other)
-    {
-        m_value.swap(other.m_value);
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-        m_kind = other.m_kind;
-#endif
-    }
-    return *this;
-}
-
-web::json::value web::json::value::null()
-{
-    return web::json::value();
-}
-
-web::json::value web::json::value::number(double value)
-{
-    return web::json::value(value);
-}
-
-web::json::value web::json::value::number(int32_t value)
-{
-    return web::json::value(value);
-}
-
-web::json::value web::json::value::number(uint32_t value)
-{
-    return web::json::value(value);
-}
-
-web::json::value web::json::value::number(int64_t value)
-{
-    return web::json::value(value);
-}
-
-web::json::value web::json::value::number(uint64_t value)
-{
-    return web::json::value(value);
-}
-
-web::json::value web::json::value::boolean(bool value)
-{
-    return web::json::value(value);
-}
-
-web::json::value web::json::value::string(utility::string_t value)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_String>(std::move(value));
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::String
-#endif
-            );
-}
-
-web::json::value web::json::value::string(utility::string_t value, bool has_escape_chars)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_String>(std::move(value), has_escape_chars);
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::String
-#endif
-            );
-}
-
-#ifdef _WIN32
-web::json::value web::json::value::string(const std::string &value)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_String>(utility::conversions::to_utf16string(value));
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::String
-#endif
-            );
-}
-#endif
-
-web::json::value web::json::value::object(bool keep_order)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_Object>(keep_order);
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::Object
-#endif
-            );
-}
-
-web::json::value web::json::value::object(std::vector<std::pair<::utility::string_t, value>> fields, bool keep_order)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_Object>(std::move(fields), keep_order);
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::Object
-#endif
-            );
-}
-
-web::json::value web::json::value::array()
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_Array>();
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::Array
-#endif
-            );
-}
-
-web::json::value web::json::value::array(size_t size)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_Array>(size);
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::Array
-#endif
-            );
-}
-
-web::json::value web::json::value::array(std::vector<value> elements)
-{
-    std::unique_ptr<details::_Value> ptr = utility::details::make_unique<details::_Array>(std::move(elements));
-    return web::json::value(std::move(ptr)
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-            ,value::Array
-#endif
-            );
-}
-
-const web::json::number& web::json::value::as_number() const
-{
-    return m_value->as_number();
-}
-
-double web::json::value::as_double() const
-{
-    return m_value->as_double();
-}
-
-int web::json::value::as_integer() const
-{
-    return m_value->as_integer();
-}
-
-bool web::json::value::as_bool() const
-{
-    return m_value->as_bool();
-}
-
-json::array& web::json::value::as_array()
-{
-    return m_value->as_array();
-}
-
-const json::array& web::json::value::as_array() const
-{
-    return m_value->as_array();
-}
-
-json::object& web::json::value::as_object()
-{
-    return m_value->as_object();
-}
-
-const json::object& web::json::value::as_object() const
-{
-    return m_value->as_object();
-}
-
-bool web::json::number::is_int32() const
-{
-    switch (m_type)
-    {
-    case signed_type : return m_intval >= std::numeric_limits<int32_t>::min() && m_intval <= std::numeric_limits<int32_t>::max();
-    case unsigned_type : return m_uintval <= std::numeric_limits<int32_t>::max();
-    case double_type :
-    default :
-        return false;
-    }
-}
-
-bool web::json::number::is_uint32() const
-{
-    switch (m_type)
-    {
-    case signed_type : return m_intval >= 0 && m_intval <= std::numeric_limits<uint32_t>::max();
-    case unsigned_type : return m_uintval <= std::numeric_limits<uint32_t>::max();
-    case double_type :
-    default :
-        return false;
-    }
-}
-
-bool web::json::number::is_int64() const
-{
-    switch (m_type)
-    {
-    case signed_type : return true;
-    case unsigned_type : return m_uintval <= static_cast<uint64_t>(std::numeric_limits<int64_t>::max());
-    case double_type :
-    default :
-        return false;
-    }
-}
-
-bool web::json::details::_String::has_escape_chars(const _String &str)
-{
-    return std::any_of(std::begin(str.m_string), std::end(str.m_string), [](utility::string_t::value_type const x)
-    {
-        if (x >= 0 && x <= 31) { return true; }
-        if (x == '"') { return true; }
-        if (x == '\\') { return true; }
-        return false;
-    });
-}
-
-web::json::value::value_type json::value::type() const { return m_value->type(); }
-
-bool json::value::is_integer() const
-{
-    if(!is_number())
-    {
-        return false;
-    }
-    return m_value->is_integer();
-}
-
-bool json::value::is_double() const
-{
-    if(!is_number())
-    {
-        return false;
-    }
-    return m_value->is_double();
-}
-
-json::value& web::json::details::_Object::index(const utility::string_t &key)
-{
-    return m_object[key];
-}
-
-bool web::json::details::_Object::has_field(const utility::string_t &key) const
-{
-    return m_object.find(key) != m_object.end();
-}
-
-utility::string_t json::value::to_string() const
-{
-#ifndef _WIN32
-    utility::details::scoped_c_thread_locale locale;
-#endif
-    return m_value->to_string();
-}
-
-bool json::value::operator==(const json::value &other) const
-{
-    if (this->m_value.get() == other.m_value.get())
-        return true;
-    if (this->type() != other.type())
-        return false;
-
-    switch(this->type())
-    {
-    case Null:
-        return true;
-    case Number:
-        return this->as_number() == other.as_number();
-    case Boolean:
-        return this->as_bool() == other.as_bool();
-    case String:
-        return this->as_string() == other.as_string();
-    case Object:
-        return static_cast<const json::details::_Object*>(this->m_value.get())->is_equal(static_cast<const json::details::_Object*>(other.m_value.get()));
-    case Array:
-        return static_cast<const json::details::_Array*>(this->m_value.get())->is_equal(static_cast<const json::details::_Array*>(other.m_value.get()));
-    }
-    __assume(0);
-}
-
-void web::json::value::erase(size_t index)
-{
-    return this->as_array().erase(index);
-}
-
-void web::json::value::erase(const utility::string_t &key)
-{
-    return this->as_object().erase(key);
-}
-
-// at() overloads
-web::json::value& web::json::value::at(size_t index)
-{
-    return this->as_array().at(index);
-}
-
-const web::json::value& web::json::value::at(size_t index) const
-{
-    return this->as_array().at(index);
-}
-
-web::json::value& web::json::value::at(const utility::string_t& key)
-{
-    return this->as_object().at(key);
-}
-
-const web::json::value& web::json::value::at(const utility::string_t& key) const
-{
-    return this->as_object().at(key);
-}
-
-web::json::value& web::json::value::operator [] (const utility::string_t &key)
-{
-    if ( this->is_null() )
-    {
-        m_value.reset(new web::json::details::_Object(details::g_keep_json_object_unsorted));
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-        m_kind = value::Object;
-#endif
-    }
-    return m_value->index(key);
-}
-
-web::json::value& web::json::value::operator[](size_t index)
-{
-    if ( this->is_null() )
-    {
-        m_value.reset(new web::json::details::_Array());
-#ifdef ENABLE_JSON_VALUE_VISUALIZER
-        m_kind = value::Array;
-#endif
-    }
-    return m_value->index(index);
-}
-
-const web::json::details::json_error_category_impl& web::json::details::json_error_category()
-{
-    static web::json::details::json_error_category_impl instance;
-    return instance;
-}