RAR (CPU): Bump plaintext_length to max as this does not affect performance.
Revert 40f5a93 and instead add a test for icc.
Move broken (to be fixed) formats from unused/ to broken/ and
delete some other old crap from unused.
Citrix Netscaler 10 format added.
Minor fixes to raw md4/md5/sha1 formats.
Improve Single mode seed from rar2john
fix broken MD5 handling in gpg format (thanks Lukas!)