message: add ability to load modules from ospInit() via "--osp:module:<name>"
diff: @@ -134,6 +134,17 @@ OSPRAY_CATCH_BEGIN
  return OSP_INVALID_ARGUMENT;
  }
  + auto moduleSwitch = av.substr(0, 13);
  + if (moduleSwitch == "--osp:module:") {
  + removeArgs(*_ac,(char **&)_av,i,1);
  +
  + auto moduleName = av.substr(13);
  + loadLocalModule(moduleName);
  +
  + --i;
  + continue;
  + }
  +
  auto deviceSwitch = av.substr(0, 13);
  if (deviceSwitch == "--osp:device:") {
  removeArgs(*_ac,(char **&)_av,i,1);
  