Order ServerPaths members by memory size, pass ServerPaths by ref

Library/OSRM_impl.cpp

@@ -57,7 +57,7 @@ namespace boost { namespace interprocess { class named_mutex; } }
 #include <utility>
 #include <vector>
 
-OSRM_impl::OSRM_impl(ServerConfig serverConfig)
+OSRM_impl::OSRM_impl(ServerConfig &serverConfig)
 {
     if (serverConfig.use_shared_memory)
     {

Library/OSRM_impl.h

@@ -49,7 +49,7 @@ class OSRM_impl
     using PluginMap = std::unordered_map<std::string, BasePlugin *>;
 
   public:
-    OSRM_impl(ServerConfig serverConfig);
+    OSRM_impl(ServerConfig &serverConfig);
     OSRM_impl(const OSRM_impl &) = delete;
     virtual ~OSRM_impl();
     void RunQuery(RouteParameters &route_parameters, http::Reply &reply);