0026981: Application Framework - read a BinOcaf document from С++ stream sequentially

0026981: Application Framework - read a BinOcaf document from С++ stream sequentially

The current version of the document supports partial reading. So, as a result, the shapes section is dispersed into attributes and it becomes easy avoid any seekg call during the reading.
But this will work only in case whole document is opened. For partial reading seekg functions could be naturally called.