Give user read-write access to non-primary storage
vold: Add ntfs (read-only) support.

See http://review.cyanogenmod.com/#change,7457 for more info.

Change-Id: Ic841e73be6435e8bbbb22984cc749e27c46826e8
vold: Add NTFS read+write support via ntfs-3g

 * Use ntfs-3g for full NTFS support.
 * Original code from Freescale.

Change-Id: I01191c3c339421904dc9415eb00143f7f8365152