0027077: OCAF: Implementation of streaming save/load (OCC26229) is incomplete/incorrect

0027077: OCAF: Implementation of streaming save/load (OCC26229) is incomplete/incorrect

XmlOcaf reading is non-seekable

// 1. Read method of XmlLDrivers_DocumentRetrievalDriver extended to read complete document (with "document" tag) in compatible mode (when reading is performed from file)
// 2. the empty statement removed
// 3. the description of LDOMPARSER::parse method extended