Add libtar to TWRP instead of using busybox tar
Add proper mkdosfs tool
Add fuse to TWRP
Add experimental exfat-fuse to TWRP
Convert all system() functions to use new Exec_Cmd function
Improve remounting sdcard with ecryptfs
Fix wiping problems and save ecrypt key

Fix problems with the wiping of data/media devices
Save and restore the ecryptfs key for external sdcard on Samsung
encrypted devices.
Fix ifdefs for Samsung encryption
Add libsparse if it exists
Increase char array sizes to allow for null char for strcpy
More Samsung sdcard crypto fixes
Merge remote-tracking branch 'upstream/twrp2.4' into jb-wip