saga_api, modules using csg_parameter_grid_target: definition of target grid or system within in main (parameters) dialog; using saga_cmd a grid input is added for system definition (this grid will not automatically over written)
saga_gdi, 3d_view_canvas: bug fix, interpolated triangulation of rgb coded values
saga_api, saga_gui: added tool chain class (first steps, not operational yet)
saga_api/module_library.cpp: fixes gcc compilation error
saga_cmd: bug fix, misinterpretation of arguments with white spaces, although embraced by quotation marks
saga_api, csg_parameter_grid_target: target system grid for saga_cmd, input has to be declared optional
shapes_polygons: get shared edges of a polygon layer, option added
saga_api, target grid selector: improved id naming, minor bug fix