Added Python code for KeyStore2John and help file for cracking KeyStore files.
Merge pull request #572 from sanjukholia/KeyStorePy

Added Python code for KeyStore2John and help file for cracking KeyStore files.
Use Atom's fgets_sse2 for fgetl(), affecting unbuffered wordlist
mode, pot reload and unique (among other things).

This boosts unbuffered wordlist w/o rules with 45% or so.