[qnx] Added QNX support to mono.
[qnx] Add all modified files missed in previous commit.

Conflicts:
	eglib/configure.ac
	eglib/src/Makefile.am
	libgc/include/gc_config_macros.h
	libgc/pthread_stop_world.c
	libgc/pthread_support.c
	mono/io-layer/shared.c
	mono/metadata/mono-config.c
	mono/mini/debugger-agent.c
	mono/mini/exceptions-arm.c
	mono/mini/mini-arm.h
	mono/mini/wapihandles.c
	mono/utils/mono-mmap.c
	mono/utils/mono-sigcontext.h
	support/serial.c