* utils/hbmk2/hbmk2.prg
+ Added macros: ${hb_bin}, ${hb_lib}, ${hb_dyn}, ${hb_inc}.
Representing HB_*_INSTALL dirs. They can be useful in
-instpath=, if someone wants to have a copy of the target in
a Harbour dir for easy access: -instpath=${hb_lib}/