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.
OpenCL: Drop some debug output now that the NVML problem is
fixed. Also move the ADL output to opencl_list_devices() so
it's not printed when emitting a status line (although this
is currently defined out by default).
CUDA: Ensure mapping between CUDA id and NVML id, using PCI id.
Merge pull request #783 from claudioandre/bleeding-jumbo

Optimization for NVIDIA SM 30 and beyond . Gives 2000 c/s on GTX Titan.
Add NVML device id to --list=opencl-devices.
Re-create ADL main control for each call to get_temp(). This
is probably just a bug workaround, it should not be needed.
Closes #784.
Fix "generic" legacy build. Closes #782.