Merge build-system to mozilla-central

allmakefiles.sh

b2g/app/Makefile.in

build/win32/Makefile.in

client.mk

config/Makefile.in

config/config.mk

config/makefiles/autotargets.mk

config/makefiles/makeutils.mk

config/makefiles/test/Makefile.in

config/rules.mk

config/rules.mk.orig

config/tests/makefiles/autodeps/Makefile.in

config/tests/makefiles/autodeps/check_mkdir.tpy

config/tests/makefiles/autodeps/testor.tmpl

dom/workers/test/extensions/bootstrap/Makefile.in

dom/workers/test/extensions/traditional/Makefile.in

js/src/config/Makefile.in

js/src/config/config.mk

js/src/config/makefiles/autotargets.mk

js/src/config/makefiles/makeutils.mk