* use qe_mallocz for all structures
* prevent spurious uses of malloc/free/realloc
* pass pointers to pointers to all deletion functions
* use consistent patterns for list deletions
* add more dependencies in Makefiles
* remove unused variables/functions
* remove commented out debug output
* make haiku_dpy static; no need to memcpy() it
* Fix calling [un]init_appplication()
* Fix hardcoded -ldl and -lm in the Makefile
* BeOS does not have -lm (it's part of libroot)
* Add Haiku GUI driver haiku.cpp
* Add helper script haiku-pe2qe.sh to clone color settings from Pe to Qemacs