[2/2] ace: make ROM.zip compatable with both ext4/f2fs

* add fstab verification scripts
* fstab scripts adapted for ace using qcom style anykernel
  installer package.
* modeled after original work done for grouper by CPA-Poke

Change-Id: I6323f4f9a0506d9592fba8afa5db67e975c3daa5