add support for handling multiple files in rar5tojohn
RAR 5 hashes from CMIYC 2014
advertise rar5tojohn.py instead of simply bailing out
document trailing WS in dyna salt can be a bad thing, where core JtR will strip it.  raw2dyna now detects this, IF the user uses it
Fixed problems with thin dyna. Should fix #704 and corrects 6cbc306.  6cbc306 was needed, but moving the function linkage out of the thin formats init, and always calling dynas own init was wrong.  This is now corrected