Android.mk: show the iso path on building successfully
1-install: allow to customize grub menu.lst
initrd: support mounting ROOT filesystem via NFS

Add mount option "nolock" and a remount workaround to support
NFS roots in our limited Busybox environment.

Signed-off-by: Gernot Hillier <gernot.hillier@siemens.com>
1-install: remove fake SD card support

This is replaced by the internal storage support.
initrd: determine HWACCEL by /proc/fb

Currently only inteldrmfb and radeondrmfb support OpenGL hardware
acceleration. So set HWACCEL according to /proc/fb.
import Mijuu patch for O2 Joggler (exclude device/o2).