update exfat to latest commits for io issues
ignore lost+found in all the places
Merge "update exfat to latest commits for io issues" into twrp2.5
skip checking size on links
skip google music cache

Change-Id: I75d6fd0e17140d12cb2c6d335e8ff73a6f871aa2
Use twrp.fstab if present
Initial f2fs support

Need to add this to your source tree:
https://github.com/razrqcom-dev-team/android_external_f2fs-tools

Change-Id: I3ee9ebbb617259655518f8ea356ce7b8c246cd4d
Merge branch 'twrp2.5' into twrp2.5-safestrap