Rebase EXFAT to SAMSUNG 1.2.4 legal source! (INIT POINT)

This is clean legal source!

http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=exfat
This is max updated exfat driver ready to work on 3.10.y and lower!

All updates came from samsung source and from developers that worked
on leaked source before.

now all in one :)
Restored NLS function to fix error of: fail to use nls!
Fix kuid/kgid functions to mach kernel 3.5.0 and above.

https://github.com/addison/exfat-nofuse/commit/f95b58141f64da172d62bef4637edc438ab7a177
Revert "Restored NLS function to fix error of: fail to use nls!"

This reverts commit 74bad76a745884f44ea192dd891c055cd41603f1.
EXFAT 1.2.5 bump after all updates, and some cleanups.
merge latest