NEW: ophcrack port

[Cédric Luthi]

Updated clean port with two new ports (bkhive and samdump2) that are  
runtime dependencies for loading hashes directly from a Windows file  
system.
Ticket: http://trac.macports.org/projects/macports/ticket/11114
Portfiles: http://trac.macports.org/projects/macports/attachment/ 
ticket/11114/ophcrack-port_v2.zip?format=raw

If someone cares to commit, that'd be nice.

Regards.
Cédric Luthi