saga_gui, saga_gdi, classify layer: added normalization/percent and numeric/decimals options
shapes_polygons/Polygon_Intersection: pre-processing option added: clip to other layer (performance gain)
saga_api, CSG_Tool::Add_Description(): function added, easily complement tool description
grid_tools, conversion tools added: grid to/from table
grid_filter, Gaussian/Laplacian: print kernel in execution-message-tab and minor adjustments
saga_gui, CWKSP_Shapes::CChart::Get_Options(): bug fix, missing unit type (screen/map units)
grid_filter/Filter_Gauss: bug fix, kernel generation. refers to [bugs:#330] Gaussian filter issue
saga_gui, CWKSP_Shapes::CChart::Get_Options(): bug fix, missing unit type (screen/map units)