Overwork SysExtras

Adds new features and is Supposed to improves system stability

Conflicts:
	ext4_utils/Android.mk
	ext4_utils/make_ext4fs.c
Overwork SysExtras

Adds new features and is Supposed to improves system stability

Conflicts:
	ext4_utils/Android.mk
	ext4_utils/make_ext4fs.c