Made the BRepAdaptor_Curve a member of BRepMesh_EdgeParameterProvider to ensure that it is created before and destroyed after the Extrema_LocateExtPC that uses it.
Forward declaration of TCollection instances as classes are replaced by inclusion of corresponding header.
Cyclic dependencies between declaration of collection class and its item are resolved by forward declaring a class in collection header.
Fix compilation errors on Linux platform
Squeeze compilation warnings on Linux
Fix regressions
Back RemoveFaceAttribute for further reasons
Fix retrieving of polygon by index
Fix applying of location
Test case for issue CR23106
Fix memory leak regression 'test bugs vis bug79' occurred due to incorrect memory cleaning of inherited objects by MMgtRaw::Free through BRepMesh_IEdgeTool;
Replace BRepMesh_PDiscretRoot by pure pointer to BRepMesh_DiscretRoot;
Fix IVtkOCC_ShapeMesher.
