fix stat usage

Change-Id: Iab3290adca1602a23fc407d2b3f50b9aeac60389
Fix usage of stat vs statfs

Change-Id: Id59b79f079c587630f5f6ed0418a45f2b8cd99ff

Conflicts:
	nandroid.c
Update for zlib changes

Depends on http://review.cyanogenmod.org/#/c/37912/

Change-Id: I7d541813f520c3a3187f6c193e47b201cd220957
Bump to 6.0.3.3

Change-Id: I089fad25002a28cc5b368288c5bb34c37f9752bc