core: support make 4.00

Make 4.00 is now out, and builds work fine with it.

Conflicts:

	core/main.mk

Change-Id: I99eb3ee02eacf8b8a855cc2388fde46dc3104963

Conflicts:
	core/main.mk
envsetup: make brunch more robust

* allow to brunch multiple devices in one command
-> brunch m7tmo d2vzw jfltevzw

* allow to specify custom output zip
-> brunch m7tmo -name test.zip
->requires http://gerrit.aokp.co/#/c/14561/

Change-Id: Icefa4af6cf3872ad386b775f0a2b3e22e966b9a0
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>

Conflicts:
	envsetup.sh