Added {.cpp} highlighting markers to the C++ code blocks in documentation;
Excessive tildes "~~~~~~~" in code block borders are reduced to required minimum of "~~~~" (4);
Removed obsolete space bars after code block borders;
TCL code blocks are now highlighted with {.php} markers;
Removed excessive {.cpp} highlighting markers appended to non-code blocks such as lists, reports and file content or structure examples;
Minor fixes for tests.md and draw_test_harness.md (whitespace removal and structural fix for "Where:" in code examples);
Minimum HDD space for OCCT updated in introduction.md.
Information about normals are stored in BinOCAF, XmlOCAF, BRep and BBRep (in case of triangulation-only Faces).
Versions of formats have been changed (11 for TDocStd, 4 for BRep Shape and 3 for Binary BRep Shape)
theWithNormals parameter added to BRepTools::Write()
IsWithNormals()/SetWithNormals() function added to BRepTools_ShapeSet
-normals/-noNormals option added to StoreTriangulation DRAW command
-normals/-noNormals option added to writebrep DRAW command
Tests for writing to brep/binary brep/BinXCaf/XmlXCaf added
Test for StoreTriangulation options -normals/-noNormals added
