Compiler: Little endian mode looks to be working.

	new file:   build/.gitignore
		dont track build products...  just in case!

	modified:   src/include/libmoxie-config.h
		add option to check pc is on word boundry

	modified:   src/include/libmoxie.h
		tweak exception message to point to a constant pointer

	modified:   src/libmoxie/access.c
		simplify accessor function

	modified:   src/libmoxie/compiler.c
		fix little endian building

	modified:   src/libmoxie/moxie.c
		simplify trace handling
		initialize moxie->trace

	modified:   src/run_moxie.c
		misc changes.