message: consistent use of namespacing in importOSP.cpp
diff: namespace ospray {
  namespace sg {
  - using std::string;
  - using std::cout;
  - using std::endl;
  /*! create a node of given type if registered (and tell it to
  parse itself from that xml node), or throw an exception if
  @@ -177,9 +174,11 @@ namespace ospray {
  {
  std::shared_ptr<xml::XMLDoc> doc;
  // std::shared_ptr<xml::XMLDoc> doc = NULL;
  - cout << "#osp:sg: starting to read OSPRay XML file '" << fileName << "'" << endl;
  + std::cout << "#osp:sg: starting to read OSPRay XML file '" << fileName
  + << "'" << std::endl;
  doc = xml::readXML(fileName);
  - cout << "#osp:sg: XML file read, starting to parse content..." << endl;
  + std::cout << "#osp:sg: XML file read, starting to parse content..."
  + << std::endl;
  assert(doc);
  if (doc->child.empty())
  @@ -217,7 +216,7 @@ namespace ospray {
  parseWorldNode(world,*root,binBasePtr);
  }
  - cout << "#osp:sg: done parsing OSP file" << endl;
  + std::cout << "#osp:sg: done parsing OSP file" << std::endl;
  }
  std::shared_ptr<sg::Node> loadOSP(const std::string &fileName)
  