formspring, proper binary size and binary/salt align for dynamic
Fixed binary size, binary align, salt size and salt_align for all dynamic thin formats
Support -encoding for -stdout. And tweak mask mode's encoding handling
a little: For consistency, it now honors --intermediate-enc if used.
Closes #756.
Updated mask mode. Now faster than incremental, as it should.
Drop the now obsoleted mask-mode code from rpp.c and rpp.h
mask.c: Re-add encoding support, and ?h ?H ?A place holders.
add support for new openssh key format