refactor(contrib): switch encryption method from fscript to luks
refactor(contrib): switch encryption method from fscript to luks

ie. ext4-based per-directory to luks-based per-partition

I don't think this actually works yet but will follow-up with fixes
after testing.

wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent