-Create a new package BRepPreviewAPI, inherited from BRepPrimAPI to create both, valid and degenerative shapes
-Create a new class BRepPreviewAPI_MakeBox for working with a box
Preview can be vertex, edge, rectangle or box
-BRepPrim_GWedge: in the case of non-valid data, the exception does not happen in the constructor, but at the moment of access to the shape
-BRepPrimAPI_MakeBox: myWedge is now not private, but protected, because used in BRepPreviewAPI_MakeBox which inherits from BRepPrimAPI_MakeBox
-Add tests for checking of a creation a preview in tests/geometry/preview (vertex, edge, rectangle, box)
-Update a command "box": add new parameters
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
