Do a sane job during OpenCL initialization.
Drop some debug output from mask.c, and only talk if we're
the main process.
Mask mode: Fix progress count for node/fork/MPI. See #771
mask.c: Cosmetic changes.
Merge pull request #781 from claudioandre/bleeding-jumbo

Batten down the hatches
Generates skipped chunk using session/restore.
mask mode resumes accurately without any loss of work.
fixed compiler error introduced in 4b0612750841044
Mask mode: Fix progress reporting.
Make it possible to build 64-bit "any" or MMX-only builds, for
testing purposes.

./configure CFLAGS="-m64 -mno-sse2" # only MMX
./configure CFLAGS="-m64 -mno-mmx"  # not even MMX
Split the PBKDF1 kernel for sha1crypt-opencl.
Minor fixes to PBKDF kernels.
fix ETA calculation with affecting work division among nodes.
Optimization for NVIDIA SM 30 and beyond . Gives 2000 c/s on GTX Titan.
- For future usage.