* harbour/common.mak
* harbour/source/rtl/Makefile
* harbour/include/hbgtcore.h
* harbour/source/rtl/hbgtcore.c
* harbour/source/rtl/inkey.c
+ harbour/source/rtl/inkeyapi.c
* moved hb_inkey*() functions to GT subsystem so now they can be
overloaded by GT drivers and/or operate on different GT context
* harbour/source/rtl/mouse53.c
* eliminated to unused static variables
* harbour/source/rtl/mouseapi.c
* do not include unnecessary header files
* harbour/source/rtl/gtchrmap.c
* replaced // comment by /* ... */