Log Message:
Update to 1.8.0 (2013).  Notable changes:

* Relaxed the license for many source files to cut-down BSD.
* Relaxed the license for John the Ripper as a whole from GPLv2 (exact
version) to GPLv2 or newer with optional OpenSSL and unRAR exceptions.

* Enhanced the support for DES-based tripcodes by making use of the
bitslice DES implementation and supporting OpenMP parallelization.

* Implemented bitmaps for fast initial comparison of computed hashes
against those loaded for cracking.
This provides a substantial performance improvement when cracking large
numbers of fast hashes.

* With 32-bit x86 builds and at least MMX enabled, the "two hashes at a
time" code for bcrypt is now enabled for GCC 4.2 and newer.
This is faster bcrypt cracking on some old and new computers running
32-bit operating systems or VMs for whatever reason.

* Revised the incremental mode to let the current character counts grow
for each character position independently, with the aim to improve
efficiency in terms of successful guesses per candidate passwords tested.

* Revised the pre-defined incremental modes, as well as external mode
filters that are used to generate .chr files.
* Added makechr, a script to (re-)generate .chr files.

* Enhanced the status reporting to include four distinct speed metrics
(g/s, p/s, c/s, and C/s).

* Added the "--fork=N" and "--node=MIN[-MAX]/TOTAL" options \ 
for trivial
parallel and distributed processing.